feat: configure maintenance mode in nginx and update Docker Compose for acore-cms-maintenance service

Author: Yehonal

conf/dist/nginx-conf/wordpress.conf

@@ -2,6 +2,8 @@ server {
     listen 80;
     listen 443 ssl;
 
+    set $maintenance_mode $MAINTENANCE_MODE;
+
     root /var/www/html;
     index index.php;
 
@@ -13,6 +15,10 @@ server {
     ssl_certificate     /etc/nginx/certs/cert.crt;
     ssl_certificate_key /etc/nginx/certs/cert.key;
 
+    if ($maintenance_mode = "true") {
+        try_files /var/www/html/maintenance.html =503;
+    }
+
     location / {
         try_files $uri $uri/ /index.php?$args;
     }

docker-compose.yml

@@ -125,6 +125,9 @@ services:
       - "6379"
   acore-cms-maintenance:
     image: nginx
+    environment:
+      DOCKER_CONTAINER: 1
+      MAINTENANCE_MODE: "true"
     volumes:
       - ${DOCKER_CONF_NGINX_PATH:-./conf/dist/nginx-conf}:/etc/nginx/conf.d/
       - ${DOCKER_CONF_CERTS_PATH:-./conf/dist/certs/}:/etc/nginx/certs/