diff --git a/pkg/models/pgModels/post.go b/pkg/models/pgModels/post.go
index a4cf61a..1ba9262 100644
--- a/pkg/models/pgModels/post.go
+++ b/pkg/models/pgModels/post.go
@@ -7,8 +7,11 @@ import (
 // Post model
 type Post struct {
 	BaseModel
-	Rating models.Rating `gorm:"type:rating"`
-	Body   string        `gorm:"type:text"`
-	UserID int           `gorm:"index"`
-	Status string        `gorm:"type:post_status"`
+	Rating     models.Rating `gorm:"type:enum('safe','questionable','explicit')"`
+	Body       string        `gorm:"type:text"`
+	UserID     int
+	Status     string
+	Tags       []Tag           `gorm:"many2many:post_tags;"`
+	Favorites  []UserFavorite  `gorm:"foreignKey:PostID"`
+	References []PostReference `gorm:"foreignKey:PostID"`
 }
diff --git a/pkg/models/pgModels/postReference.go b/pkg/models/pgModels/postReference.go
new file mode 100644
index 0000000..ae4574c
--- /dev/null
+++ b/pkg/models/pgModels/postReference.go
@@ -0,0 +1,8 @@
+package pgModels
+
+type PostReference struct {
+	PostID       string `gorm:"primaryKey"`
+	SourceID     string `gorm:"primaryKey"`
+	URL          string `gorm:"not null;unique"`
+	SourcePostID string
+}
diff --git a/pkg/models/pgModels/source.go b/pkg/models/pgModels/source.go
index 73e2535..22c727f 100644
--- a/pkg/models/pgModels/source.go
+++ b/pkg/models/pgModels/source.go
@@ -3,6 +3,8 @@ package pgModels
 // Source model
 type Source struct {
 	BaseModel
-	DisplayName string `gorm:"type:text"`
-	Domain      string `gorm:"type:text;not null;unique"`
+	DisplayName string
+	Domain      string          `gorm:"not null;unique"`
+	UserSources []UserSource    `gorm:"foreignKey:SourceID"`
+	References  []PostReference `gorm:"foreignKey:SourceID"`
 }
diff --git a/pkg/models/pgModels/tag.go b/pkg/models/pgModels/tag.go
index 4c246a1..406f744 100644
--- a/pkg/models/pgModels/tag.go
+++ b/pkg/models/pgModels/tag.go
@@ -4,18 +4,21 @@ import "git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 
 // Tag models
 type Tag struct {
-	Name string         `gorm:"primaryKey"`
-	Type models.TagType `gorm:"type:tag_type"`
+	Name    string `gorm:"primaryKey"`
+	Type    models.TagType
+	Aliases []TagAlias `gorm:"foreignKey:TagID"`
+	Groups  []TagGroup `gorm:"foreignKey:TagID"`
+	Posts   []Post     `gorm:"many2many:post_tags;"`
 }
 
 // TagAlias model
 type TagAlias struct {
 	Name  string `gorm:"primaryKey"`
-	TagID string `gorm:"index"`
+	TagID string
 }
 
 // TagGroup model
 type TagGroup struct {
 	Name  string `gorm:"primaryKey"`
-	TagID string `gorm:"index"`
+	TagID string
 }
diff --git a/pkg/models/pgModels/user.go b/pkg/models/pgModels/user.go
index be072d8..7fe7e73 100644
--- a/pkg/models/pgModels/user.go
+++ b/pkg/models/pgModels/user.go
@@ -3,4 +3,6 @@ package pgModels
 // User model
 type User struct {
 	BaseModel
+	Favorites []UserFavorite `gorm:"foreignKey:UserID"`
+	Sources   []UserSource   `gorm:"foreignKey:UserID"`
 }
diff --git a/pkg/models/pgModels/userFavorite.go b/pkg/models/pgModels/userFavorite.go
new file mode 100644
index 0000000..2e194a3
--- /dev/null
+++ b/pkg/models/pgModels/userFavorite.go
@@ -0,0 +1,9 @@
+package pgModels
+
+import "time"
+
+type UserFavorite struct {
+	UserID    string `gorm:"primaryKey"`
+	PostID    string `gorm:"primaryKey"`
+	CreatedAt time.Time
+}
diff --git a/pkg/models/pgModels/userSource.go b/pkg/models/pgModels/userSource.go
new file mode 100644
index 0000000..7319994
--- /dev/null
+++ b/pkg/models/pgModels/userSource.go
@@ -0,0 +1,8 @@
+package pgModels
+
+type UserSource struct {
+	UserID          string `gorm:"primaryKey"`
+	SourceID        string `gorm:"primaryKey"`
+	AccountUsername string
+	AccountID       string
+}