Add support for WordPress init - automated install

docker-compose.yml

@@ -22,12 +22,23 @@ x-wordpress-configuration-env: &wordpress-configuration-env
     $$_SERVER['REQUEST_SCHEME'] = 'https';
   # $_SERVER definitions above are set to trick WP that it's accessed over HTTPS. This is typically useful only behind reverse proxy and should be avoided in production
 
+x-wordpress-init-env: &wordpress-init-env
+  WORDPRESS_INIT_ENABLE: "true"
+  WORDPRESS_INIT_ADMIN_USER: admin
+  WORDPRESS_INIT_ADMIN_PASSWORD: admin
+  WORDPRESS_INIT_ADMIN_EMAIL: admin@example.com
+  WORDPRESS_INIT_SITE_TITLE: "Example.com"
+  WORDPRESS_INIT_SITE_URL: "https://www.example.com"
+
+
 networks:
   default:
 
 secrets:
    database_root_password:
      file: ./.secrets/database_root_password.txt
+   wordpress_database_password:
+     file: ./.secrets/wordpress_database_password.txt
 
 services:
   wordpress:
@@ -44,7 +55,7 @@ services:
       - ./.secrets/wp-salts.env
       - ./.secrets/wp-database.env
     environment:
-      <<: [ *wordpress-configuration-env ]
+      <<: [ *wordpress-configuration-env, *wordpress-init-env ]
       CRON_ENABLED: "false"
     labels: # This configures traefik - if you have it. You also need to make sure that this service is in the same network with Traefik instance
       - "traefik.enable=true"
@@ -108,12 +119,15 @@ services:
       PUID: 1000
       PGID: 1000
       MARIADB_INIT_DATABASES: wordpress
+      MARIADB_INIT_USERS: wordpress
       FILE__MARIADB_ROOT_PASSWORD: /run/secrets/database_root_password
+      FILE__MARIADB_USER_wordpress_PASSWORD: /run/secrets/wordpress_database_password
       FORCE_CONFIG_OVERWRITE: 1
     volumes:
       - ./data/database/config:/config
       - ./data/database/data:/var/lib/mysql
     secrets:
       - database_root_password
+      - wordpress_database_password
     networks:
       default:

rootfs/etc/s6-overlay/s6-rc.d/init-install-wordpress/run

@@ -0,0 +1,56 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+
+await_database() {
+    # Settings
+    local interval="1"
+    local status
+
+    # For loop
+    for i in {1..30}
+    do
+        # Check if database is reachable
+        status="$(wp core is-installed 2>&1)"
+
+        # Check if status contains database connection (partial match)
+        if echo "${status}" | grep -q "Error establishing"; then
+            echo "Database is not reachable, retrying in ${interval} seconds [${i}/30]"
+            sleep "${interval}"
+            continue
+        fi
+
+        return 0
+    done
+}
+
+# init-install-wordpress main
+main() {
+    # This will prepend service name to all output from here
+    exec > >(while read -r line; do echo "[init-install-wordpress] ${line}"; done) 2>&1
+
+    if [ "${WORDPRESS_INIT_ENABLE:-false}" = "false" ]; then
+        echo "WordPress init is disabled"
+        return 0
+    fi
+
+    # Check if WordPress is already installed
+    if wp core is-installed 2>&1; then
+        echo "WordPress is already installed"
+        return 0
+    fi
+
+    if ! await_database; then
+        echo "Error: Database is not reachable"
+        return 1
+    fi
+
+    wp core install \
+        --url="${WORDPRESS_INIT_URL:?}" \
+        --title="${WORDPRESS_INIT_TITLE:-WordPress}" \
+        --admin_user="${WORDPRESS_INIT_ADMIN_USER:?}" \
+        --admin_password="${WORDPRESS_INIT_ADMIN_PASSWORD:?}" \
+        --admin_email="${WORDPRESS_INIT_ADMIN_EMAIL:?}" \
+        --skip-email
+
+}
+main

rootfs/etc/s6-overlay/s6-rc.d/init-install-wordpress/type

@@ -0,0 +1 @@
+oneshot

rootfs/etc/s6-overlay/s6-rc.d/init-install-wordpress/up

@@ -0,0 +1 @@
+/etc/s6-overlay/s6-rc.d/init-install-wordpress/run