Commit inicial: Gitea con PostgreSQL, Traefik/NPM, sin standalone

docker-compose.override.traefik.yml.example

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+# docker-compose.override.traefik.yml.example
+#
+# Este archivo configura Gitea para usar Traefik como reverse proxy.
+#
+# Para usarlo:
+#   Desde Portainer (Git Repository):
+#     - Repository URL: https://git.ictiberia.com/groales/gitea
+#     - Compose path: docker-compose.yml
+#     - Additional paths: docker-compose.override.traefik.yml.example
+#     - Environment variables:
+#         DOMAIN_HOST=gitea.tudominio.com
+#         DB_PASSWORD=tu_password_db_seguro
+#
+#   Desde CLI:
+#     1. Copia este archivo a docker-compose.override.yml
+#     2. Crea archivo .env con las variables necesarias
+#
+# Docker Compose automáticamente fusiona docker-compose.yml + docker-compose.override.yml
+
+services:
+  gitea:
+    labels:
+      # HTTP → HTTPS redirect
+      - "traefik.enable=true"
+      - "traefik.http.routers.gitea-http.rule=Host(`${DOMAIN_HOST}`)"
+      - "traefik.http.routers.gitea-http.entrypoints=web"
+      - "traefik.http.routers.gitea-http.middlewares=redirect-to-https@docker"
+      
+      # HTTPS router
+      - "traefik.http.routers.gitea.rule=Host(`${DOMAIN_HOST}`)"
+      - "traefik.http.routers.gitea.entrypoints=websecure"
+      - "traefik.http.routers.gitea.tls=true"
+      - "traefik.http.routers.gitea.tls.certresolver=letsencrypt"
+      - "traefik.http.routers.gitea.service=gitea-svc"
+      - "traefik.http.services.gitea-svc.loadbalancer.server.port=3000"
+      
+      # Redirect middleware
+      - "traefik.http.middlewares.redirect-to-https.redirectscheme.scheme=https"
+      - "traefik.http.middlewares.redirect-to-https.redirectscheme.permanent=true"