feat: add backup

Signed-off-by: kjuulh <contact@kjuulh.io>

docker-compose.yaml

@@ -44,6 +44,28 @@ services:
       start_period: 30s
       timeout: 10s
 
+  backup:
+    image: prodrigestivill/postgres-backup-local
+    restart: always
+    volumes:
+      - ./data/backups:/backups
+    env_file: .env
+    links:
+      - "postgres"
+    networks:
+      - internal
+    environment:
+      - POSTGRES_HOST=postgres
+      - POSTGRES_DB=forest
+      - POSTGRES_USER=forest
+      - POSTGRES_EXTRA_OPTS=-Z1 --schema=public --blobs
+      - BACKUP_ON_START=TRUE
+      - SCHEDULE=@daily           # or cron: "0 2 * * *"
+      - BACKUP_KEEP_DAYS=7        # keep daily backups for 7 days
+      - BACKUP_KEEP_WEEKS=4       # keep weekly backups for 4 weeks
+      - BACKUP_KEEP_MONTHS=6      # keep monthly backups for 6 months
+      - HEALTHCHECK_PORT=8080
+
 networks:
   public:
   internal: