chore(docker): dockerize app, add workflow to push image on gitea registry

docker-compose.yaml

@@ -0,0 +1,34 @@
+services:
+  app:
+    build:
+      context: .
+      dockerfile: docker/app/Dockerfile
+      target: prod
+    image: git.lclr.dev/thibaud-lclr/ltbxd-actorle/app:latest
+    ports:
+      - "80:80"
+      - "443:443"
+      - "443:443/udp"
+    volumes:
+      - caddy_data:/data
+      - caddy_config:/config
+    depends_on:
+      database:
+        condition: service_healthy
+
+  database:
+    build:
+      context: docker/database
+    image: git.lclr.dev/thibaud-lclr/ltbxd-actorle/database:latest
+    healthcheck:
+      test: ["CMD", "pg_isready", "-d", "app", "-U", "app"]
+      timeout: 5s
+      retries: 5
+      start_period: 60s
+    volumes:
+      - database_data:/var/lib/postgresql/data:rw
+
+volumes:
+  database_data:
+  caddy_data:
+  caddy_config: