Add initial templates for docker-compose services (gitea, nextcloud, traefik)

roles/gitea/templates/.env.db.j2

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+POSTGRES_USER=gitea
+POSTGRES_DB=gitea
+POSTGRES_PASSWORD="{{ db_password }}"

roles/gitea/templates/.env.gitea.j2

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+GITEA____APP_NAME=CazGitea
+
+# Database
+GITEA__database__DB_TYPE=postgres
+GITEA__database__HOST=db:5432
+GITEA__database__NAME="{{ db_user }}"
+GITEA__database__USER="{{ db_name }}"
+GITEA__database__PASSWD="{{ db_password }}"
+
+# Server
+GITEA__server__ROOT_URL=https://gitea.cazzzer.com/
+GITEA__server__DISABLE_SSH=true
+
+# Mail
+GITEA__mailer__ENABLED=true
+GITEA__mailer__HOST=smtp.sendgrid.net:587
+GITEA__mailer__FROM=gitea@cazzzer.com
+GITEA__mailer__USER=apikey
+GITEA__mailer__PASSWD="{{ sendgrid_api_key }}"
+
+# Security
+GITEA__security__SECRET_KEY="{{ secret_key }}"
+GITEA__security__INTERNAL_TOKEN="{{ internal_token }}"
+
+GITEA__oauth2__JWT_SECRET="{{ jwt_secret }}"

roles/gitea/templates/docker-compose.yml.j2

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+version: "3.9"
+
+networks:
+  default:
+  traefik_traefik:
+    external: true
+
+volumes:
+  gitea:
+  postgres:
+
+services:
+  server:
+    image: gitea/gitea:1.16.9
+    container_name: gitea_server
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.gitea.rule=Host(`gitea.lab.cazzzer.com`)
+      - traefik.http.services.gitea.loadbalancer.server.port=3000
+    restart: unless-stopped
+    env_file:
+      - .env.gitea
+    networks:
+      - default
+      - traefik_traefik
+    volumes:
+      - gitea:/data
+    ports:
+      - "8011:3000"
+    depends_on:
+      - db
+  db:
+    image: postgres:14-alpine
+    container_name: gitea_db
+    restart: unless-stopped
+    env_file:
+      - .env.db
+    networks:
+      - default
+    volumes:
+      - postgres:/var/lib/postgresql/data