Добавлена поддержка PostgreSQL и автоматические бэкапы в S3 для Gitea

- Добавлены переменные окружения для PostgreSQL в env.example.
- Обновлен README.md с описанием новых возможностей: автоматические бэкапы и интеграция PostgreSQL.

docker-compose.yaml

@@ -1,11 +1,64 @@
 services:
+
+  backup:
+    image: ghcr.io/gromov-io/docker-s3-backup:latest
+    container_name: gitea-backup
+    restart: unless-stopped
+    depends_on:
+      postgres:
+        condition: service_healthy
+      gitea:
+        condition: service_started
+    environment:
+      - BACKUP_PROJECT_NAME=gitea-server
+      - BACKUP_S3_BUCKET=${S3_BUCKET}
+      - BACKUP_S3_ENDPOINT=${S3_ENDPOINT}
+      - BACKUP_S3_ACCESS_KEY=${S3_ACCESS_KEY}
+      - BACKUP_S3_SECRET_KEY=${S3_SECRET_KEY}
+      - BACKUP_S3_FOLDER=gitea-backups
+      # Останавливаем сервисы перед началом бекапа.
+      - BACKUP_STOP_SERVICES=gitea postgres
+    volumes:
+      - .:/backup-source:ro
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    networks:
+      - gitea_network
+      
+  postgres:
+    image: postgres:16-alpine
+    container_name: gitea-postgres
+    restart: unless-stopped
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=${POSTGRES_DB}
+    volumes:
+      - ./postgres-data:/var/lib/postgresql/data
+    networks:
+      - gitea_network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
   gitea:
     image: gitea/gitea:latest
     container_name: gitea
     restart: unless-stopped
+    depends_on:
+      postgres:
+        condition: service_healthy
     environment:
       - USER_UID=1000
       - USER_GID=1000
+      - GITEA__database__DB_TYPE=postgres
+      - GITEA__database__HOST=postgres:5432
+      - GITEA__database__NAME=${POSTGRES_DB}
+      - GITEA__database__USER=${POSTGRES_USER}
+      - GITEA__database__PASSWD=${POSTGRES_PASSWORD}
+      - GITEA__database__SCHEMA=public
+      - GITEA__database__SSL_MODE=disable
       - GITEA__server__APP_DATA_PATH=/data/gitea
       - GITEA__server__DOMAIN
       - GITEA__server__HTTP_PORT=80
@@ -115,22 +168,6 @@ services:
       - ${GITEA__server__DOCKER_SSH_PORT}:22
       - ${GITEA__server__PORT}:80
 
-  backup:
-    image: ghcr.io/gromov-io/docker-s3-backup:latest
-    container_name: gitea-backup
-    restart: unless-stopped
-    environment:
-      - BACKUP_PROJECT_NAME=gitea-server
-      - BACKUP_S3_BUCKET=${S3_BUCKET}
-      - BACKUP_S3_ENDPOINT=${S3_ENDPOINT}
-      - BACKUP_S3_ACCESS_KEY=${S3_ACCESS_KEY}
-      - BACKUP_S3_SECRET_KEY=${S3_SECRET_KEY}
-      - BACKUP_S3_FOLDER=gitea-backups
-    volumes:
-      - .:/backup-source:ro
-      - /var/run/docker.sock:/var/run/docker.sock:ro
-
-
 networks:
   gitea_network:
     name: gitea_network