Replace Unit configuration with Nginx + PHP-FPM setup in Docker

- Remove outdated Unit-based Docker configuration and scripts.
- Introduce Nginx + PHP-FPM stack with environment-based configurations.
- Add custom Nginx setup for frontend-backend routing.
- Update Dockerfiles, Docker Compose, and related scripts for new architecture.

app/docker/web/Dockerfile

@@ -0,0 +1,31 @@
+FROM docker.io/nginx:1.31-alpine AS build
+
+COPY docker/web/conf/default.conf.template /etc/nginx/templates/default.conf.template
+COPY docker/web/conf/fastcgi_params /etc/nginx/fastcgi_params
+COPY docker/web/start.sh /usr/local/bin/start
+
+RUN chmod 755 /usr/local/bin/start
+
+FROM build AS app_build_for_production
+
+WORKDIR /home/app
+COPY application /home/app
+
+RUN apk --no-cache add git nodejs npm \
+    && npm install && npm run build \
+    && rm -rf /home/app/node_modules
+
+FROM build AS production
+
+COPY --from=app_build_for_production /home/app/public /usr/share/nginx/html
+
+WORKDIR /usr/share/nginx/html
+
+EXPOSE 80
+CMD ["/usr/local/bin/start"]
+
+FROM build AS develop
+WORKDIR /usr/share/nginx/html
+
+EXPOSE 80
+CMD ["/usr/local/bin/start"]

app/docker/web/Dockerfile.dockerignore

@@ -0,0 +1,3 @@
+application/public/*.php
+application/public/**/*.php
+application/public/.htaccess

app/docker/web/conf/default.conf.template

@@ -0,0 +1,44 @@
+map $FRONTEND_PORT $host_with_port {
+    ""      $host;
+    default "$host:$FRONTEND_PORT";
+}
+
+server {
+    listen 80 default_server;
+    listen [::]:80 default_server;
+
+    client_max_body_size ${NGINX_CLIENT_MAX_BODY_SIZE};
+
+    disable_symlinks if_not_owner from=/usr/share/nginx/html;
+
+    index index.php index.html;
+    root /usr/share/nginx/html;
+
+    ${GZIP_BLOCK}
+    ${REAL_IP_BLOCK}
+
+    location / {
+        location / {
+            try_files $uri @fallback;
+        }
+        location ~ \.php$ {
+            return 404;
+        }
+        location ~ /\. {
+            return 404;
+        }
+        location ~ /\.(ht|svn|git) {
+            return 404;
+        }
+    }
+
+    location @fallback {
+        fastcgi_pass ${BACKEND_HOST}:${BACKEND_PORT};
+        fastcgi_index index.php;
+        fastcgi_param REDIRECT_STATUS 200;
+        fastcgi_param SCRIPT_FILENAME /var/www/html/public/index.php;
+        fastcgi_param SCRIPT_NAME /index.php;
+        fastcgi_param HTTP_HOST $host_with_port;
+        include /etc/nginx/fastcgi_params;
+    }
+}

app/docker/web/conf/fastcgi_params

@@ -0,0 +1,23 @@
+fastcgi_param  QUERY_STRING       $query_string;
+fastcgi_param  REQUEST_METHOD     $request_method;
+fastcgi_param  CONTENT_TYPE       $content_type;
+fastcgi_param  CONTENT_LENGTH     $content_length;
+
+fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
+fastcgi_param  REQUEST_URI        $request_uri;
+fastcgi_param  DOCUMENT_URI       $document_uri;
+fastcgi_param  DOCUMENT_ROOT      $document_root;
+fastcgi_param  SERVER_PROTOCOL    $server_protocol;
+fastcgi_param  HTTPS              $https if_not_empty;
+
+fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
+fastcgi_param  SERVER_SOFTWARE    nginx;
+
+fastcgi_param  REMOTE_ADDR        $remote_addr;
+fastcgi_param  REMOTE_PORT        $remote_port;
+fastcgi_param  SERVER_ADDR        $server_addr;
+fastcgi_param  SERVER_PORT        $server_port;
+fastcgi_param  SERVER_NAME        $server_name;
+
+fastcgi_param  HTTP_X_FORWARDED_FOR   $proxy_add_x_forwarded_for;
+fastcgi_param  HTTP_X_REAL_IP		  $remote_addr;

app/docker/web/start.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env sh
+
+if [ "$IS_GZIP" = "1" ]; then
+  GZIP_BLOCK='gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_buffers 16 8k;
+    gzip_http_version 1.1;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+    gzip_min_length 1024;'
+else
+  GZIP_BLOCK=''
+fi
+export GZIP_BLOCK
+
+if [ -n "$TRUSTED_PROXY_CIDR" ]; then
+  REAL_IP_BLOCK="set_real_ip_from $TRUSTED_PROXY_CIDR;
+    real_ip_header X-Forwarded-For;
+    real_ip_recursive on;"
+else
+  REAL_IP_BLOCK=""
+fi
+export REAL_IP_BLOCK
+
+export BACKEND_HOST="${BACKEND_HOST:-app}"
+export BACKEND_PORT="${BACKEND_PORT:-9000}"
+export FRONTEND_PORT="${FRONTEND_PORT:-''}"
+export NGINX_CLIENT_MAX_BODY_SIZE="${NGINX_CLIENT_MAX_BODY_SIZE:-'20m'}"
+
+envsubst '$BACKEND_HOST $BACKEND_PORT $GZIP_BLOCK $REAL_IP_BLOCK $FRONTEND_PORT $NGINX_CLIENT_MAX_BODY_SIZE' \
+  < /etc/nginx/templates/default.conf.template \
+  > /etc/nginx/conf.d/default.conf
+
+exec nginx -g 'daemon off;'