add docker stacks

Gitea/docker-compose.yaml

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+version: "3"
+
+services:
+  server:
+    image: gitea/gitea:1.21.4
+    container_name: gitea
+    restart: always
+    networks:
+      - gitea
+      - backend
+    env_file:
+      - stack.env
+    volumes:
+      - ${GITEA_DIR}:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - ${GITEA_PORT_HTTP}:3000
+      - ${GITEA_PORT_SSH}:22
+    depends_on:
+      - db
+    labels:
+      - traefik.enable=true
+
+      # HTTP redirection to HTTPS
+      - traefik.http.routers.gitea.entrypoints=web
+      - traefik.http.routers.gitea.rule=Host(`${GITEA_URL}`)
+      - traefik.http.middlewares.gitea-https-redirect.redirectscheme.scheme=https
+      - traefik.http.routers.gitea.middlewares=gitea-https-redirect
+
+      # HTTPS config
+      - traefik.http.routers.gitea-secure.entrypoints=websecure
+      - traefik.http.routers.gitea-secure.rule=Host(`${GITEA_URL}`)
+      - traefik.http.routers.gitea-secure.tls=true
+      - traefik.http.routers.gitea-secure.tls.certresolver=myresolver
+      - traefik.http.services.gitea-secure.loadbalancer.server.port=3000
+      
+      - traefik.docker.network=proxy
+
+  db:
+    image: postgres:14
+    restart: always
+    env_file:
+      - stack.env
+    networks:
+      - gitea
+    volumes:
+      - ${GITEA_DB_DIR}:/var/lib/postgresql/data
+
+networks:
+  gitea:
+    external: false
+  backend:
+    external: true

Gitea/stack.env

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+USER_UID=1000
+USER_GID=1000
+
+GITEA_PORT_HTTP=3000
+GITEA_PORT_SSH=22
+GITEA_URL=git.example.com
+
+GITEA_DIR=/path/to/gitea
+GITEA_DB_DIR=/path/to/gitea/db
+
+GITEA__database__DB_TYPE=postgres
+GITEA__database__HOST=db:5432
+GITEA__database__NAME=gitea
+GITEA__database__USER=gitea
+GITEA__database__PASSWD=YOUR_DB_PASSWORD
+POSTGRES_USER=gitea
+POSTGRES_PASSWORD=YOUR_DB_PASSWORD
+POSTGRES_DB=gitea