diff --git a/.env.sample b/.env.sample
index caaeae6..e822063 100644
--- a/.env.sample
+++ b/.env.sample
@@ -5,8 +5,13 @@ DOMAIN=example.com
 #EXTRA_DOMAINS=', `www.example.com`'
 LETS_ENCRYPT_ENV=production
 
-## Extensions you do NOT need, out of this list of installed extensions: https://github.com/adhocore/docker-phpfpm#php80
-#PHP_EXTENSIONS_TO_DISABLE="calendar"
+ROOT_PATH=/var/www/html
+PHP_VERSION=7.4
+# environment for PHP frameworks like laravel/symphony
+APP_ENV=prod
+
+## Extra extensions you need
+#PHP_EXTENSIONS="calendar"
 
 # Optional database
 #COMPOSE_FILE="compose.yml:compose.mariadb.yml"
diff --git a/abra.sh b/abra.sh
index c4d5cd2..5ead69a 100644
--- a/abra.sh
+++ b/abra.sh
@@ -1,4 +1,5 @@
-export NGINX_DEFAULT_CONF_VERSION=v6
+# export PHP_VERSION=7.4
+export NGINX_DEFAULT_CONF_VERSION=v7
 export PHP_UPLOADS_CONF_VERSION=v3
 export ENTRYPOINT_CONF_VERSION=v2
 export ENTRYPOINT_MAILRELAY_CONF_VERSION=v1
diff --git a/compose.mariadb.yml b/compose.mariadb.yml
index 347ea1e..03a873f 100644
--- a/compose.mariadb.yml
+++ b/compose.mariadb.yml
@@ -2,7 +2,7 @@ version: "3.8"
 services:
   app:
     environment:
-      - DB_HOST=db
+      - DB_HOST=${STACK_NAME}_db
       - DB_USER=site
       - DB_PASSWORD_FILE=/run/secrets/db_password
       - DB_NAME=site
diff --git a/compose.yml b/compose.yml
index ac16448..d3fa41d 100644
--- a/compose.yml
+++ b/compose.yml
@@ -1,13 +1,14 @@
 version: "3.8"
 services:
   app:
-    image: php:8.0-fpm-alpine3.13
+    image: php:${PHP_VERSION}-fpm-alpine3.13
     volumes:
       - "site_content:/var/www/html/"
     networks:
       - internal
     environment:
-      - PHP_EXTENSIONS_TO_DISABLE
+      - PHP_EXTENSIONS
+      - APP_ENV
     configs:
       - source: php_uploads_conf
         target: /usr/local/etc/php/conf.d/uploads.ini
@@ -20,7 +21,7 @@ services:
         failure_action: rollback
         order: start-first
       labels:
-        - coop-cloud.${STACK_NAME}.app.version=8.0-92fac7ac
+        - coop-cloud.${STACK_NAME}.app.version=${PHP_VERSION}-92fac7ac
   frontend:
     image: nginx:1.19.2
     networks:
@@ -49,6 +50,7 @@ services:
         target: /etc/nginx/conf.d/default.conf
     environment:
       - STACK_NAME
+      - ROOT_PATH
     # healthcheck:
     #   test: ["CMD", "curl", "-f", "http://localhost"]
     #   interval: 30s
diff --git a/nginx.conf b/nginx.conf
index 2ae730a..8525cf9 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -4,7 +4,7 @@ server {
     listen  [::]:80;
     server_name  localhost;
 
-    root   /var/www/html;
+    root   {{ env "ROOT_PATH" }};
 
     #charset koi8-r;
     #access_log  /var/log/nginx/host.access.log  main;