config: Add external PostgreSQL database and networks to Gitea

gitea/docker-compose.portainer.yml

@@ -1,8 +1,10 @@
 version: "3"
 
 networks:
-  gitea:
-    external: false
+  backend-net:
+    external: true
+  frontend-net:
+    external: true
 
 services:
   server:
@@ -13,6 +15,13 @@ services:
       - USER_GID=${USER_GID}
       - TZ=${TZ}
 
+      # Database Configuration
+      - GITEA__database__DB_TYPE=postgres
+      - GITEA__database__HOST=postgres:5432
+      - GITEA__database__NAME=gitea
+      - GITEA__database__USER=gitea
+      - GITEA__database__PASSWD="0VWXASPz6HaIelby1lWRQ0rJr7gCo14FoHbjSUWxgV"
+
       # Fix for ROOT_URL Domain Check Error
       - GITEA__server__DOMAIN=${DOMAIN}
       - GITEA__server__ROOT_URL=${ROOT_URL}
@@ -20,7 +29,8 @@ services:
       - GITEA__server__HTTP_PORT=3000
     restart: always
     networks:
-      - gitea
+      - backend-net
+      - frontend-net
     volumes:
       - /volume1/docker/gitea/data:/data
       - /volume1/docker/gitea/config:/etc/gitea