🐳 Create Dockerfile and DockerCompose file and implement authentication with telegram api

Dockerfile

@@ -0,0 +1,22 @@
+# build stage
+FROM golang:1.13-stretch AS build-env
+COPY . /src
+WORKDIR /src
+ENV GO113MODULE=on
+RUN CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go test ./... -cover -coverprofile=c.out #gosetup
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o goapp
+
+# final stage
+FROM alpine
+LABEL maintainer="Alphyron <admin@dragon-labs.de>"
+
+RUN apk update \
+        && apk upgrade \
+        && apk add --no-cache \
+        ca-certificates \
+        && update-ca-certificates 2>/dev/null || true
+
+WORKDIR /app
+COPY --from=build-env /src .
+RUN chmod +x ./goapp
+CMD [ "./goapp"]

config/telegram.go

@@ -4,6 +4,7 @@ import "github.com/caarlos0/env"
 
 type TelegramConfig struct {
 	TelegramKey   string `env:"TELEGRAM_KEY,required"`
+	TelegramDebug bool   `env:"TELEGRAM_DEBUG" envDefault:"false"`
 }
 
 func (tc *TelegramConfig) LoadConfig() error {

docker-compose.yml

@@ -0,0 +1,28 @@
+version: '3.7'
+
+services:
+  app:
+    image: group_helper:latest
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: on-failure
+    environment:
+      - TELEGRAM_KEY=340059059:AAG8MRgRmdk5nI_hye5HkSwQyV9wqwoUSbA
+      - DB_DEBUG=true
+      - DB_TYPE=mysql
+      - DB_HOST=mysql
+      - DB_PORT=3306
+      - DB_USER=go
+      - DB_PASS=go
+      - DB_DATABASE=go
+
+  mysql:
+    image: mysql:8
+    environment:
+      - MYSQL_RANDOM_ROOT_PASSWORD=true
+      - MYSQL_USER=go
+      - MYSQL_PASSWORD=go
+      - MYSQL_DATABASE=go
+    ports:
+    - 3306:3306

go.mod

@@ -4,6 +4,8 @@ go 1.13
 
 require (
 	github.com/caarlos0/env v3.5.0+incompatible
+	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible
 	github.com/jinzhu/gorm v1.9.12
 	github.com/stretchr/testify v1.5.1 // indirect
+	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
 )

main.go

@@ -3,20 +3,33 @@ package main
 import (
 	"git.dragon-labs.de/alphyron/group_helper/config"
 	"log"
+
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
 )
 
 func main() {
-	err := config.DatabaseConfig{}.LoadConfig()
+	dbConfig := config.DatabaseConfig{}
+	err := dbConfig.LoadConfig()
 
 	if err != nil {
 		log.Println("Problem while loading database environment variables")
 		log.Fatal(err)
 	}
 
-	err = config.TelegramConfig{}.LoadConfig()
+	tgConfig := config.TelegramConfig{}
+	err = tgConfig.LoadConfig()
 
 	if err != nil {
 		log.Println("Problem while loading telegram environment variables")
 		log.Fatal(err)
 	}
+
+	bot, err := tgbotapi.NewBotAPI(tgConfig.TelegramKey)
+	if err != nil {
+		log.Println("Problem while authenticate at telegram")
+		log.Fatal(err)
+	}
+
+	bot.Debug = tgConfig.TelegramDebug
+	log.Printf("Authorized on account %s", bot.Self.UserName)
 }