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          xdebug.mode=debug
      '';
+};
+</syntaxhighlight>
+== OCI image ==
+Here's an example on how to build an OCI image running a PHP application:
+Using nginx:
+<syntaxhighlight lang="nix>
+packages = let
+  src = ./.;
+  php = pkgs.php81;
+in {
+  app = php.buildComposerProject {
+    inherit src;
+    pname = "app-demo";
+    version = "1.0.0";
+    vendorHash = "sha256-SrE51k3nC5idaDHNxiNM7NIbIERIf8abrCzFEdxOQWA=";
+  };
+  oci-image = let
+    nginxPort = "8000";
+    nginxWebRoot = "${self'.packages.app}/share/php/app-demo/public";
+    nginxConf = pkgs.writeText "nginx.conf" ''
+      user nobody nobody;
+      daemon off;
+      error_log /dev/stdout info;
+      pid /dev/null;
+      events {}
+      http {
+        access_log /dev/stdout;
+        server {
+          listen ${nginxPort};
+          index index.php index.html;
+          charset utf-8;
+          add_header X-Frame-Options "SAMEORIGIN";
+          add_header X-Content-Type-Options "nosniff";
+          location / {
+            root ${nginxWebRoot};
+            try_files $uri $uri/ /index.php?$query_string;
+          }
+          location ~ \.php$ {
+            root ${nginxWebRoot};
+            fastcgi_pass 127.0.0.1:9000;
+            fastcgi_split_path_info ^(.+\.php)(/.+)$;
+            include ${pkgs.nginx}/conf/fastcgi_params;
+            include ${pkgs.nginx}/conf/fastcgi.conf;
+          }
+        }
+      }
+    '';
+  in
+  pkgs.dockerTools.buildLayeredImage {
+    name = self'.packages.app.pname;
+    tag = "latest";
+    contents = [
+      php
+      pkgs.nginx
+      pkgs.fakeNss
+      (pkgs.writeScriptBin "start-server" ''
+        #!${pkgs.runtimeShell}
+        php-fpm -y /etc/php-fpm.d/www.conf.default & nginx -c ${nginxConf};
+      '')
+    ];
+    extraCommands = ''
+      mkdir -p var/log/nginx
+      mkdir -p var/cache/nginx
+      mkdir -p tmp
+      chmod 1777 tmp
+    '';
+    config = {
+      Cmd = [ "start-server" ];
+      ExposedPorts = {
+        "${nginxPort}/tcp" = {};
+      };
+    };
+  };
+};
+</syntaxhighlight>
+Using Caddy:
+<syntaxhighlight lang="nix>
+packages = let
+          src = ./.;
+          php = pkgs.php1;
+in {
+  app = php.buildComposerProject {
+    inherit src;
+    pname = "app-demo";
+    version = "1.0.0";
+    vendorHash = "sha256-SrE51k3nC5idaDHNxiNM7NIbIERIf8abrCzFEdxOQWA=";
+  };
+  oci-image = let
+    webport = "8000";
+    webroot = "${self'.packages.app}/share/php/app-demo/public";
+    caddyFile = pkgs.writeText "Caddyfile" ''
+    :${webport}
+    root * ${webroot}
+    log
+    encode gzip
+    php_fastcgi 127.0.0.1:9000
+    file_server
+    '';
+  in
+  pkgs.dockerTools.buildLayeredImage {
+    name = self'.packages.app.pname;
+    tag = "latest";
+    contents = [
+      php
+      pkgs.caddy
+      pkgs.fakeNss
+      (pkgs.writeScriptBin "start-server" ''
+        #!${pkgs.runtimeShell}
+        php-fpm -D -y /etc/php-fpm.d/www.conf.default
+        caddy run --adapter caddyfile --config ${caddyFile}
+      '')
+    ];
+    extraCommands = ''
+      mkdir -p tmp
+      chmod 1777 tmp
+    '';
+    config = {
+      Cmd = [ "start-server" ];
+      ExposedPorts = {
+        "${webport}/tcp" = {};
+      };
+    };
+  };
 };
 </syntaxhighlight>