Create Docker-Image for Nginx 1.21 with pearl
This commit is contained in:
parent
b5da1f86cd
commit
bebe3fb654
61
1.21/10-listen-on-ipv6-by-default.sh
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61
1.21/10-listen-on-ipv6-by-default.sh
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#!/bin/sh
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# vim:sw=4:ts=4:et
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set -e
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ME=$(basename $0)
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DEFAULT_CONF_FILE="etc/nginx/conf.d/default.conf"
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# check if we have ipv6 available
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if [ ! -f "/proc/net/if_inet6" ]; then
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echo >&3 "$ME: info: ipv6 not available"
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exit 0
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fi
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if [ ! -f "/$DEFAULT_CONF_FILE" ]; then
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echo >&3 "$ME: info: /$DEFAULT_CONF_FILE is not a file or does not exist"
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exit 0
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fi
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# check if the file can be modified, e.g. not on a r/o filesystem
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touch /$DEFAULT_CONF_FILE 2>/dev/null || { echo >&3 "$ME: info: can not modify /$DEFAULT_CONF_FILE (read-only file system?)"; exit 0; }
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# check if the file is already modified, e.g. on a container restart
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grep -q "listen \[::]\:8080;" /$DEFAULT_CONF_FILE && { echo >&3 "$ME: info: IPv6 listen already enabled"; exit 0; }
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if [ -f "/etc/os-release" ]; then
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. /etc/os-release
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else
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echo >&3 "$ME: info: can not guess the operating system"
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exit 0
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fi
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echo >&3 "$ME: info: Getting the checksum of /$DEFAULT_CONF_FILE"
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case "$ID" in
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"debian")
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CHECKSUM=$(dpkg-query --show --showformat='${Conffiles}\n' nginx | grep $DEFAULT_CONF_FILE | cut -d' ' -f 3)
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echo "$CHECKSUM /$DEFAULT_CONF_FILE" | md5sum -c - >/dev/null 2>&1 || {
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echo >&3 "$ME: info: /$DEFAULT_CONF_FILE differs from the packaged version"
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exit 0
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}
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;;
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"alpine")
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CHECKSUM=$(apk manifest nginx 2>/dev/null| grep $DEFAULT_CONF_FILE | cut -d' ' -f 1 | cut -d ':' -f 2)
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echo "$CHECKSUM /$DEFAULT_CONF_FILE" | sha1sum -c - >/dev/null 2>&1 || {
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echo >&3 "$ME: info: /$DEFAULT_CONF_FILE differs from the packaged version"
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exit 0
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}
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;;
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*)
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echo >&3 "$ME: info: Unsupported distribution"
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exit 0
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;;
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esac
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# enable ipv6 on default.conf listen sockets
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sed -i -E 's,listen 8080;,listen 8080;\n listen [::]:8080;,' /$DEFAULT_CONF_FILE
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echo >&3 "$ME: info: Enabled listen on IPv6 in /$DEFAULT_CONF_FILE"
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exit 0
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32
1.21/20-envsubst-on-templates.sh
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32
1.21/20-envsubst-on-templates.sh
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#!/bin/sh
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set -e
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ME=$(basename $0)
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auto_envsubst() {
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local template_dir="${NGINX_ENVSUBST_TEMPLATE_DIR:-/etc/nginx/templates}"
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local suffix="${NGINX_ENVSUBST_TEMPLATE_SUFFIX:-.template}"
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local output_dir="${NGINX_ENVSUBST_OUTPUT_DIR:-/etc/nginx/conf.d}"
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local template defined_envs relative_path output_path subdir
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defined_envs=$(printf '${%s} ' $(env | cut -d= -f1))
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[ -d "$template_dir" ] || return 0
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if [ ! -w "$output_dir" ]; then
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echo >&3 "$ME: ERROR: $template_dir exists, but $output_dir is not writable"
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return 0
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fi
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find "$template_dir" -follow -type f -name "*$suffix" -print | while read -r template; do
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relative_path="${template#$template_dir/}"
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output_path="$output_dir/${relative_path%$suffix}"
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subdir=$(dirname "$relative_path")
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# create a subdirectory where the template file exists
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mkdir -p "$output_dir/$subdir"
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echo >&3 "$ME: Running envsubst on $template to $output_path"
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envsubst "$defined_envs" < "$template" > "$output_path"
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done
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}
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auto_envsubst
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exit 0
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188
1.21/30-tune-worker-processes.sh
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188
1.21/30-tune-worker-processes.sh
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#!/bin/sh
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# vim:sw=2:ts=2:sts=2:et
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set -eu
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LC_ALL=C
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ME=$( basename "$0" )
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PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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[ "${NGINX_ENTRYPOINT_WORKER_PROCESSES_AUTOTUNE:-}" ] || exit 0
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touch /etc/nginx/nginx.conf 2>/dev/null || { echo >&2 "$ME: error: can not modify /etc/nginx/nginx.conf (read-only file system?)"; exit 0; }
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ceildiv() {
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num=$1
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div=$2
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echo $(( (num + div - 1) / div ))
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}
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get_cpuset() {
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cpusetroot=$1
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cpusetfile=$2
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ncpu=0
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[ -f "$cpusetroot/$cpusetfile" ] || return 1
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for token in $( tr ',' ' ' < "$cpusetroot/$cpusetfile" ); do
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case "$token" in
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*-*)
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count=$( seq $(echo "$token" | tr '-' ' ') | wc -l )
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ncpu=$(( ncpu+count ))
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;;
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*)
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ncpu=$(( ncpu+1 ))
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;;
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esac
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done
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echo "$ncpu"
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}
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get_quota() {
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cpuroot=$1
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ncpu=0
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[ -f "$cpuroot/cpu.cfs_quota_us" ] || return 1
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[ -f "$cpuroot/cpu.cfs_period_us" ] || return 1
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cfs_quota=$( cat "$cpuroot/cpu.cfs_quota_us" )
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cfs_period=$( cat "$cpuroot/cpu.cfs_period_us" )
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[ "$cfs_quota" = "-1" ] && return 1
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[ "$cfs_period" = "0" ] && return 1
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ncpu=$( ceildiv "$cfs_quota" "$cfs_period" )
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[ "$ncpu" -gt 0 ] || return 1
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echo "$ncpu"
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}
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get_quota_v2() {
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cpuroot=$1
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ncpu=0
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[ -f "$cpuroot/cpu.max" ] || return 1
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cfs_quota=$( cut -d' ' -f 1 < "$cpuroot/cpu.max" )
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cfs_period=$( cut -d' ' -f 2 < "$cpuroot/cpu.max" )
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[ "$cfs_quota" = "max" ] && return 1
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[ "$cfs_period" = "0" ] && return 1
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ncpu=$( ceildiv "$cfs_quota" "$cfs_period" )
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[ "$ncpu" -gt 0 ] || return 1
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echo "$ncpu"
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}
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get_cgroup_v1_path() {
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needle=$1
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found=
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foundroot=
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mountpoint=
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[ -r "/proc/self/mountinfo" ] || return 1
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[ -r "/proc/self/cgroup" ] || return 1
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while IFS= read -r line; do
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case "$needle" in
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"cpuset")
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case "$line" in
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*cpuset*)
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found=$( echo "$line" | cut -d ' ' -f 4,5 )
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break
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;;
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esac
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;;
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"cpu")
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case "$line" in
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*cpuset*)
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;;
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*cpu,cpuacct*|*cpuacct,cpu|*cpuacct*|*cpu*)
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found=$( echo "$line" | cut -d ' ' -f 4,5 )
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break
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;;
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esac
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esac
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done << __EOF__
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$( grep -F -- '- cgroup ' /proc/self/mountinfo )
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__EOF__
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while IFS= read -r line; do
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controller=$( echo "$line" | cut -d: -f 2 )
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case "$needle" in
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"cpuset")
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case "$controller" in
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cpuset)
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mountpoint=$( echo "$line" | cut -d: -f 3 )
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break
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;;
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esac
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;;
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"cpu")
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case "$controller" in
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cpu,cpuacct|cpuacct,cpu|cpuacct|cpu)
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mountpoint=$( echo "$line" | cut -d: -f 3 )
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break
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;;
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esac
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;;
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esac
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done << __EOF__
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$( grep -F -- 'cpu' /proc/self/cgroup )
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__EOF__
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case "${found%% *}" in
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"/")
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foundroot="${found##* }$mountpoint"
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;;
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"$mountpoint")
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foundroot="${found##* }"
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;;
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esac
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echo "$foundroot"
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}
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get_cgroup_v2_path() {
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found=
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foundroot=
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mountpoint=
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[ -r "/proc/self/mountinfo" ] || return 1
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[ -r "/proc/self/cgroup" ] || return 1
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while IFS= read -r line; do
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found=$( echo "$line" | cut -d ' ' -f 4,5 )
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done << __EOF__
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$( grep -F -- '- cgroup2 ' /proc/self/mountinfo )
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__EOF__
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while IFS= read -r line; do
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mountpoint=$( echo "$line" | cut -d: -f 3 )
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done << __EOF__
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$( grep -F -- '0::' /proc/self/cgroup )
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__EOF__
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case "${found%% *}" in
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"")
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return 1
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;;
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"/")
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foundroot="${found##* }$mountpoint"
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;;
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"$mountpoint")
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foundroot="${found##* }"
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;;
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esac
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echo "$foundroot"
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}
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ncpu_online=$( getconf _NPROCESSORS_ONLN )
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ncpu_cpuset=
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ncpu_quota=
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ncpu_cpuset_v2=
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ncpu_quota_v2=
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cpuset=$( get_cgroup_v1_path "cpuset" ) && ncpu_cpuset=$( get_cpuset "$cpuset" "cpuset.effective_cpus" ) || ncpu_cpuset=$ncpu_online
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cpu=$( get_cgroup_v1_path "cpu" ) && ncpu_quota=$( get_quota "$cpu" ) || ncpu_quota=$ncpu_online
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cgroup_v2=$( get_cgroup_v2_path ) && ncpu_cpuset_v2=$( get_cpuset "$cgroup_v2" "cpuset.cpus.effective" ) || ncpu_cpuset_v2=$ncpu_online
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cgroup_v2=$( get_cgroup_v2_path ) && ncpu_quota_v2=$( get_quota_v2 "$cgroup_v2" ) || ncpu_quota_v2=$ncpu_online
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ncpu=$( printf "%s\n%s\n%s\n%s\n%s\n" \
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"$ncpu_online" \
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"$ncpu_cpuset" \
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"$ncpu_quota" \
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"$ncpu_cpuset_v2" \
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"$ncpu_quota_v2" \
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| sort -n \
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| head -n 1 )
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sed -i.bak -r 's/^(worker_processes)(.*)$/# Commented out by '"$ME"' on '"$(date)"'\n#\1\2\n\1 '"$ncpu"';/' /etc/nginx/nginx.conf
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151
1.21/Dockerfile
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151
1.21/Dockerfile
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FROM harbor.dragse.it/base/alpine:3.15
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LABEL maintainer="Lennard Brinkhaus <lennard.brinkhaus@dragse.de>"
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ENV NGINX_VERSION 1.21.5
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ENV NJS_VERSION 0.7.1
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ENV PKG_RELEASE 1
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RUN echo $'http://nexus.dragse.it/repository/apk-main/\nhttp://nexus.dragse.it/repository/apk-community/' > /etc/apk/repositories
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RUN apk --no-cache upgrade \
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&& apk --no-cache add ca-certificates wget openssl \
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&& update-ca-certificates
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ARG UID=101
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ARG GID=101
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RUN set -x \
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# create nginx user/group first, to be consistent throughout docker variants
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&& addgroup -g $GID -S nginx || true \
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&& adduser -S -D -H -u $UID -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx || true \
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&& apkArch="$(cat /etc/apk/arch)" \
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&& nginxPackages=" \
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nginx=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-xslt=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-geoip=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-image-filter=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-perl=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-njs=${NGINX_VERSION}.${NJS_VERSION}-r${PKG_RELEASE} \
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" \
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# install prerequisites for public key and pkg-oss checks
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||||||
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&& apk add --no-cache --virtual .checksum-deps \
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openssl \
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||||||
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&& case "$apkArch" in \
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x86_64|aarch64) \
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||||||
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# arches officially built by upstream
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||||||
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set -x \
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||||||
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&& KEY_SHA512="e7fa8303923d9b95db37a77ad46c68fd4755ff935d0a534d26eba83de193c76166c68bfe7f65471bf8881004ef4aa6df3e34689c305662750c0172fca5d8552a *stdin" \
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&& wget -O /tmp/nginx_signing.rsa.pub https://nginx.org/keys/nginx_signing.rsa.pub \
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&& if [ "$(openssl rsa -pubin -in /tmp/nginx_signing.rsa.pub -text -noout | openssl sha512 -r)" = "$KEY_SHA512" ]; then \
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echo "key verification succeeded!"; \
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mv /tmp/nginx_signing.rsa.pub /etc/apk/keys/; \
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else \
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echo "key verification failed!"; \
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exit 1; \
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fi \
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&& apk add -X "https://nginx.org/packages/mainline/alpine/v$(egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release)/main" --no-cache $nginxPackages \
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;; \
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*) \
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||||||
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# we're on an architecture upstream doesn't officially build for
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||||||
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# let's build binaries from the published packaging sources
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||||||
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set -x \
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||||||
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&& tempDir="$(mktemp -d)" \
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||||||
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&& chown nobody:nobody $tempDir \
|
||||||
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&& apk add --no-cache --virtual .build-deps \
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||||||
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gcc \
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||||||
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libc-dev \
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||||||
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make \
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||||||
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openssl-dev \
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||||||
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pcre-dev \
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||||||
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zlib-dev \
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||||||
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linux-headers \
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||||||
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libxslt-dev \
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||||||
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gd-dev \
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||||||
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geoip-dev \
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||||||
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perl-dev \
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||||||
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libedit-dev \
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||||||
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bash \
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||||||
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alpine-sdk \
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||||||
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findutils \
|
||||||
|
&& su nobody -s /bin/sh -c " \
|
||||||
|
export HOME=${tempDir} \
|
||||||
|
&& cd ${tempDir} \
|
||||||
|
&& curl -f -O https://hg.nginx.org/pkg-oss/archive/${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
|
||||||
|
&& PKGOSSCHECKSUM=\"f917c27702aa89cda46878fc80d446839c592c43ce7f251b3f4ced60c7033d34496a92d283927225d458cbc4f2f89499e7fb16344923317cd7725ad722eaf93e *${NGINX_VERSION}-${PKG_RELEASE}.tar.gz\" \
|
||||||
|
&& if [ \"\$(openssl sha512 -r ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz)\" = \"\$PKGOSSCHECKSUM\" ]; then \
|
||||||
|
echo \"pkg-oss tarball checksum verification succeeded!\"; \
|
||||||
|
else \
|
||||||
|
echo \"pkg-oss tarball checksum verification failed!\"; \
|
||||||
|
exit 1; \
|
||||||
|
fi \
|
||||||
|
&& tar xzvf ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
|
||||||
|
&& cd pkg-oss-${NGINX_VERSION}-${PKG_RELEASE} \
|
||||||
|
&& cd alpine \
|
||||||
|
&& make all \
|
||||||
|
&& apk index -o ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz ${tempDir}/packages/alpine/${apkArch}/*.apk \
|
||||||
|
&& abuild-sign -k ${tempDir}/.abuild/abuild-key.rsa ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz \
|
||||||
|
" \
|
||||||
|
&& cp ${tempDir}/.abuild/abuild-key.rsa.pub /etc/apk/keys/ \
|
||||||
|
&& apk del .build-deps \
|
||||||
|
&& apk add -X ${tempDir}/packages/alpine/ --no-cache $nginxPackages \
|
||||||
|
;; \
|
||||||
|
esac \
|
||||||
|
# remove checksum deps
|
||||||
|
&& apk del .checksum-deps \
|
||||||
|
# if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
|
||||||
|
&& if [ -n "$tempDir" ]; then rm -rf "$tempDir"; fi \
|
||||||
|
&& if [ -n "/etc/apk/keys/abuild-key.rsa.pub" ]; then rm -f /etc/apk/keys/abuild-key.rsa.pub; fi \
|
||||||
|
&& if [ -n "/etc/apk/keys/nginx_signing.rsa.pub" ]; then rm -f /etc/apk/keys/nginx_signing.rsa.pub; fi \
|
||||||
|
# Bring in gettext so we can get `envsubst`, then throw
|
||||||
|
# the rest away. To do this, we need to install `gettext`
|
||||||
|
# then move `envsubst` out of the way so `gettext` can
|
||||||
|
# be deleted completely, then move `envsubst` back.
|
||||||
|
&& apk add --no-cache --virtual .gettext gettext \
|
||||||
|
&& mv /usr/bin/envsubst /tmp/ \
|
||||||
|
\
|
||||||
|
&& runDeps="$( \
|
||||||
|
scanelf --needed --nobanner /tmp/envsubst \
|
||||||
|
| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
|
||||||
|
| sort -u \
|
||||||
|
| xargs -r apk info --installed \
|
||||||
|
| sort -u \
|
||||||
|
)" \
|
||||||
|
&& apk add --no-cache $runDeps \
|
||||||
|
&& apk del .gettext \
|
||||||
|
&& mv /tmp/envsubst /usr/local/bin/ \
|
||||||
|
# Bring in tzdata so users could set the timezones through the environment
|
||||||
|
# variables
|
||||||
|
&& apk add --no-cache tzdata \
|
||||||
|
# Bring in curl and ca-certificates to make registering on DNS SD easier
|
||||||
|
&& apk add --no-cache curl ca-certificates \
|
||||||
|
# forward request and error logs to docker log collector
|
||||||
|
&& ln -sf /dev/stdout /var/log/nginx/access.log \
|
||||||
|
&& ln -sf /dev/stderr /var/log/nginx/error.log \
|
||||||
|
# create a docker-entrypoint.d directory
|
||||||
|
&& mkdir /docker-entrypoint.d
|
||||||
|
|
||||||
|
# implement changes required to run NGINX as an unprivileged user
|
||||||
|
RUN sed -i 's,listen 80;,listen 8080;,' /etc/nginx/conf.d/default.conf \
|
||||||
|
&& sed -i '/user nginx;/d' /etc/nginx/nginx.conf \
|
||||||
|
&& sed -i 's,/var/run/nginx.pid,/tmp/nginx.pid,' /etc/nginx/nginx.conf \
|
||||||
|
&& sed -i "/^http {/a \ proxy_temp_path /tmp/proxy_temp;\n client_body_temp_path /tmp/client_temp;\n fastcgi_temp_path /tmp/fastcgi_temp;\n uwsgi_temp_path /tmp/uwsgi_temp;\n scgi_temp_path /tmp/scgi_temp;\n" /etc/nginx/nginx.conf \
|
||||||
|
# nginx user must own the cache and etc directory to write cache and tweak the nginx config
|
||||||
|
&& chown -R $UID:0 /var/cache/nginx \
|
||||||
|
&& chmod -R g+w /var/cache/nginx \
|
||||||
|
&& chown -R $UID:0 /etc/nginx \
|
||||||
|
&& chmod -R g+w /etc/nginx
|
||||||
|
|
||||||
|
COPY docker-entrypoint.sh /
|
||||||
|
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
|
||||||
|
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
|
||||||
|
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
|
||||||
|
ENTRYPOINT ["/docker-entrypoint.sh"]
|
||||||
|
|
||||||
|
EXPOSE 8080
|
||||||
|
|
||||||
|
STOPSIGNAL SIGQUIT
|
||||||
|
|
||||||
|
USER $UID
|
||||||
|
|
||||||
|
CMD ["nginx", "-g", "daemon off;"]
|
||||||
38
1.21/docker-entrypoint.sh
Normal file
38
1.21/docker-entrypoint.sh
Normal file
@ -0,0 +1,38 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
# vim:sw=4:ts=4:et
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
if [ -z "${NGINX_ENTRYPOINT_QUIET_LOGS:-}" ]; then
|
||||||
|
exec 3>&1
|
||||||
|
else
|
||||||
|
exec 3>/dev/null
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "$1" = "nginx" -o "$1" = "nginx-debug" ]; then
|
||||||
|
if /usr/bin/find "/docker-entrypoint.d/" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read v; then
|
||||||
|
echo >&3 "$0: /docker-entrypoint.d/ is not empty, will attempt to perform configuration"
|
||||||
|
|
||||||
|
echo >&3 "$0: Looking for shell scripts in /docker-entrypoint.d/"
|
||||||
|
find "/docker-entrypoint.d/" -follow -type f -print | sort -V | while read -r f; do
|
||||||
|
case "$f" in
|
||||||
|
*.sh)
|
||||||
|
if [ -x "$f" ]; then
|
||||||
|
echo >&3 "$0: Launching $f";
|
||||||
|
"$f"
|
||||||
|
else
|
||||||
|
# warn on shell scripts without exec bit
|
||||||
|
echo >&3 "$0: Ignoring $f, not executable";
|
||||||
|
fi
|
||||||
|
;;
|
||||||
|
*) echo >&3 "$0: Ignoring $f";;
|
||||||
|
esac
|
||||||
|
done
|
||||||
|
|
||||||
|
echo >&3 "$0: Configuration complete; ready for start up"
|
||||||
|
else
|
||||||
|
echo >&3 "$0: No files found in /docker-entrypoint.d/, skipping configuration"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
exec "$@"
|
||||||
Loading…
Reference in New Issue
Block a user