Add gitea and a generic container role

roles/gitea/meta/main.yml

@@ -0,0 +1,21 @@
+---
+
+dependencies:
+  - role: container
+    docker_service: gitea
+    docker_image: gitea/gitea:latest
+    docker_database: postgres
+    docker_volumes:
+      - gitea_data:/data
+    docker_env:
+      GITEA__database__DB_TYPE: postgres
+      GITEA__database__USER: gitea
+      GITEA__database__HOST: gitea_db:5432
+      GITEA__database__PASSWD: "{{ database_passwords.gitea }}"
+      GITEA__server__DOMAIN: "{{ docker_vhost_domains.gitea[0] }}"
+      GITEA__server__PROTOCOL: "http"
+      GITEA__server__ROOT_URL: "https://{{ docker_vhost_domains.gitea[0] }}"
+      GITEA__mailer__ENABLED: "true"
+      GITEA__mailer__HOST: "{{ smtp_server }}:587"
+      GITEA__mailer__FROM: "{{ smtp_from }}"
+      GITEA__mailer__MAILER_TYPE: smtp