feat(docker): add Gitea service to Docker Compose configuration

docker/compose.yml

@@ -1,6 +1,8 @@
 volumes:
   postgres:
     driver: local
+  gitea:
+    driver: local
 
 services:
   postgres:
@@ -21,3 +23,24 @@ services:
       timeout: 5s
       retries: 5
       start_period: 5s
+
+  gitea:
+    image: docker.io/gitea/gitea:1.22.6
+    container_name: gitea
+    restart: always
+    environment:
+      - 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}
+    volumes:
+      - gitea:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - "3000:3000"
+      - "22:22"
+    depends_on:
+      postgres:
+        condition: service_healthy