Running sprint at CNABing wordpress

wordpress.dockerapp/docker-compose.yml

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+---
+version: "3.7"
+
+services:
+  wordpress:
+    image: "wordpress:5.4.1"
+    ports:
+      - "${wordpress.port}:80"
+    volumes:
+      - "wp:/var/www/html"
+    networks:
+      - backend
+      - proxy
+    environment:
+      - WORDPRESS_DB_HOST=mariadb
+      - WORDPRESS_DB_USER=wordpress
+      - WORDPRESS_DB_PASSWORD_FILE=/run/secrets/wp-db-passwd-v1
+      - WORDPRESS_DB_NAME=wordpress
+    secrets:
+      - wp-db-passwd-v1
+    deploy:
+      mode: replicated
+      replicas: 1
+      update_config:
+        failure_action: rollback
+      placement:
+        constraints:
+          - node.role == manager
+      labels:
+        traefik.enable: "true"
+        traefik.http.services.wordpress.loadbalancer.server.port: "80"
+        traefik.http.routers.wordpress.rule: "Host(`${wordpress.domain}`)"
+        traefik.http.routers.wordpress.entrypoints: "web-secure"
+        traefik.http.routers.wordpress.tls.certresolver: "staging"
+
+  mariadb:
+    image: "mariadb:10.5"
+    volumes:
+      - "db:/var/lib/mysql"
+    networks:
+      - backend
+    environment:
+      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/mysql-root-passwd-v1
+      - MYSQL_DATABASE=wordpress
+      - MYSQL_USER=wordpress
+      - MYSQL_PASSWORD_FILE=/run/secrets/mysql-user-passwd-v1
+    secrets:
+      - mysql-root-passwd-v1
+      - mysql-user-passwd-v1
+
+networks:
+  backend:
+    driver: overlay
+  proxy:
+    external: true
+
+volumes:
+  db:
+  wp:
+
+secrets:
+  wp-db-passwd-v1:
+    external: true
+  mysql-root-passwd-v1:
+    external: true
+  mysql-user-passwd-v1:
+    external: true

wordpress.dockerapp/metadata.yml

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+---
+version: 0.1.0
+name: wordpress
+description: |
+  WordPress is open source software you can use to create a beautiful website,
+  blog, or app.
+maintainers:
+  - name: decentral1se
+    email: lukewm@riseup.net

wordpress.dockerapp/parameters.yml

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+wordpress:
+  port: 3050
+  domain: example.com