add postgresdb alternative

.env.sample

@@ -2,6 +2,9 @@ TYPE=gitea
 
 DOMAIN=gitea.example.com
 LETS_ENCRYPT_ENV=production
+COMPOSE_FILE="compose.yml"
+COMPOSE_FILE="$COMPOSE_FILE:compose.mariadb.yml"
+# COMPOSE_FILE="$COMPOSE_FILE:compose.postgres.yml"
 
 GITEA_DOMAIN=git.example.com
 GITEA_ALLOW_ONLY_EXTERNAL_REGISTRATION=true
@@ -27,7 +30,7 @@ SECRET_JWT_SECRET_VERSION=v1 # length=43
 SECRET_SECRET_KEY_VERSION=v1 # length=64
 
 # SMTP Mailer
-# COMPOSE_FILE="compose.yml:compose.smtp.yml"
+# COMPOSE_FILE="$COMPOSE_FILE:compose.smtp.yml"
 # GITEA_SMTP_MAILER_ENABLED=1
 # GITEA_MAILER_HOST=mail.gandi.net:465
 # SECRET_SMTP_PASSWORD_VERSION=v1

compose.mariadb.yml

@@ -0,0 +1,37 @@
+version: '3.8'
+
+services:
+  app:
+    environment:
+      - GITEA_DB_TYPE=mysql
+      - GITEA_DB_HOST="db:3306"
+      - GITEA_DB_NAME=gitea
+      - GITEA_DB_USER=gitea
+  db:
+    image: "mariadb:10.9"
+    command: |
+      mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
+    environment:
+      - MYSQL_DATABASE=gitea
+      - MYSQL_USER=gitea
+      - MYSQL_PASSWORD_FILE=/run/secrets/db_password
+      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db_root_password
+    secrets:
+      - db_password
+      - db_root_password
+    volumes:
+      - "mariadb:/var/lib/mysql"
+    networks:
+      - internal
+
+secrets:
+  db_password:
+    name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
+    external: true
+  db_root_password:
+    name: ${STACK_NAME}_db_root_password_${SECRET_DB_ROOT_PASSWORD_VERSION}
+    external: true
+
+volumes:
+  mariadb:
+  internal:

compose.postgres.yml

@@ -0,0 +1,30 @@
+version: '3.8'
+
+services:
+  app:
+    environment:
+      - GITEA_DB_TYPE=postgres
+      - GITEA_DB_HOST="db:5432"
+      - GITEA_DB_NAME=gitea
+      - GITEA_DB_USER=gitea
+  db:
+    image: postgres:9.6
+    environment: 
+      - POSTGRES_DB=gitea
+      - POSTGRES_USER=gitea
+      - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
+    secrets:
+      - db_password
+    volumes:
+      - db:/var/lib/postgresql/data
+    networks:
+      - internal
+
+secrets:
+  db_password:
+    name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
+    external: true
+
+volumes:
+  db:
+  internal:

compose.yml

@@ -19,10 +19,6 @@ services:
       - GITEA_ALLOW_ONLY_EXTERNAL_REGISTRATION
       - GITEA_APP_NAME
       - GITEA_AUTO_WATCH_NEW_REPOS
-      - GITEA_DB_HOST="db:3306"
-      - GITEA_DB_NAME=gitea
-      - GITEA_DB_TYPE=mysql
-      - GITEA_DB_USER=gitea
       - GITEA_DISABLE_REGISTRATION
       - GITEA_DOMAIN=${DOMAIN}
       - GITEA_ENABLE_NOTIFY_MAIL
@@ -61,22 +57,6 @@ services:
         - "traefik.tcp.services.${STACK_NAME}-ssh.loadbalancer.server.port=${GITEA_SSH_PORT}"
         - coop-cloud.${STACK_NAME}.version=1.3.1+1.17.3-rootless
 
-  db:
-    image: "mariadb:10.9"
-    command: |
-      mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
-    environment:
-      - MYSQL_DATABASE=gitea
-      - MYSQL_USER=gitea
-      - MYSQL_PASSWORD_FILE=/run/secrets/db_password
-      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db_root_password
-    secrets:
-      - db_password
-      - db_root_password
-    volumes:
-      - "mariadb:/var/lib/mysql"
-    networks:
-      - internal
 
 networks:
   internal:
@@ -94,12 +74,6 @@ configs:
     template_driver: golang
 
 secrets:
-  db_password:
-    name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
-    external: true
-  db_root_password:
-    name: ${STACK_NAME}_db_root_password_${SECRET_DB_ROOT_PASSWORD_VERSION}
-    external: true
   internal_token:
     name: ${STACK_NAME}_internal_token_${SECRET_INTERNAL_TOKEN_VERSION}
     external: true
@@ -113,4 +87,3 @@ secrets:
 volumes:
   data:
   config:
-  mariadb: