source -> database & config templating

src/templates/docker-compose.yml.j2

@@ -0,0 +1,33 @@
+# Do not adjust this file
+version: '3.1'
+
+services:
+{% if db.enabled == true %}
+  ngx_mgmt_db:
+    image: mariadb:latest
+    restart: always
+    environment:
+  {% if db.root_pw is defined %}
+      MARIADB_ROOT_PASSWORD: {{ db.root_pw }}
+  {% endif %}
+      MARIADB_USER: {{ TMPL_DB_USER }}
+      MARIADB_PASSWORD: {{ TMPL_DB_USER_PW }}
+      MARIADB_DATABASE: {{ TMPL_DB_DB }}
+    volumes:
+  {% if db.data_path_mysql is defined %}
+    - {{ data_path_mysql }}:/var/lib/mysql
+  {% else %}
+    - ./src/db/cache/mysql_data:/var/lib/mysql
+  {% endif %}
+  {% if db.data_path_mysql_backup is defined %}
+    - {{ data_path_mysql_backup }}:/var/lib/mysql
+  {% else %}
+    - ./src/db/cache/mysql_backup:/var/lib/mysql
+  {% endif %}
+    ports:
+  {% if db.port is defined %}
+    - {{ port }}:3306
+  {% else %}
+    - 3306:3306
+  {% endif %}
+{% endif %}