diff --git a/.env b/.env
new file mode 100644
index 0000000..330adc8
--- /dev/null
+++ b/.env
@@ -0,0 +1,7 @@
+HTTP_HOST="localhost:8080"
+DB_HOST="mysql"
+DB_DATABASE="docker"
+DB_USERNAME="docker"
+DB_PASSWORD="Your_DB_user_P@ssw0rd"
+CACHE_URL="Redis://?server=redis&port=6379&password=&timeout=3"
+MYSQL_ROOT_PASSWORD="Your_MysQl_ROOt_P@ssw0rd"
diff --git a/crontab/crontab b/crontab/crontab
index 5cb0a7f..aa46fe7 100644
--- a/crontab/crontab
+++ b/crontab/crontab
@@ -1,5 +1,5 @@
-@hourly export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/main.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job hourly >> /var/log/cron.log 2>&1
-@daily export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/main.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job daily >> /var/log/cron.log 2>&1
-@yearly export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/main.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job yearly >> /var/log/cron.log 2>&1
-*/1 * * * * export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/main.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake queue run -v >> /var/log/cron.log 2>&1
+@hourly export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job hourly >> /var/log/cron.log 2>&1
+@daily export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job daily >> /var/log/cron.log 2>&1
+@yearly export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake cron job yearly >> /var/log/cron.log 2>&1
+*/1 * * * * export $(cat /var/www/eramba/app/upgrade/vendor/eramba/docker/.env) && /bin/sh /var/www/eramba/app/upgrade/bin/cake queue run -v >> /var/log/cron.log 2>&1
 # remember to end this file with an empty new line
diff --git a/docker-compose.simple-install.yml b/docker-compose.simple-install.yml
index 1110af0..745dcc2 100644
--- a/docker-compose.simple-install.yml
+++ b/docker-compose.simple-install.yml
@@ -9,10 +9,10 @@ services:
       - ./mysql/conf.d:/etc/mysql/conf.d
       - ./mysql/entrypoint:/docker-entrypoint-initdb.d
     environment:
-      MYSQL_DATABASE: docker
-      MYSQL_USER: docker
-      MYSQL_PASSWORD: docker
-      MYSQL_ROOT_PASSWORD: docker
+      MYSQL_DATABASE: ${DB_DATABASE}
+      MYSQL_USER: ${DB_USERNAME}
+      MYSQL_PASSWORD: ${DB_PASSWORD}
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
   redis:
     container_name: redis
     image: redis:6.0.16-alpine
@@ -28,8 +28,14 @@ services:
       - ./apache/ssl/mycert.crt:/etc/ssl/certs/mycert.crt
       - ./apache/ssl/mycert.key:/etc/ssl/private/mycert.key
       - ./apache/vhost-with-ssl.conf:/etc/apache2/sites-available/000-default.conf
-    env_file:
-      - main.env
+      - ./crontab/crontab:/etc/cron.d/eramba-crontab
+    environment:
+      DB_HOST: ${DB_HOST}
+      DB_DATABASE: ${DB_DATABASE}
+      DB_USERNAME: ${DB_USERNAME}
+      DB_PASSWORD: ${DB_PASSWORD}
+      CACHE_URL: ${CACHE_URL}
+      HTTP_HOST: ${HTTP_HOST}
     links:
       - mysql
       - redis
@@ -39,13 +45,19 @@ services:
     container_name: cron
     image: ghcr.io/eramba/eramba:latest
     command: ["cron", "-f"]
-    entrypoint: ["docker-php-entrypoint"]
+    entrypoint: ["/docker-cron-entrypoint.sh"]
     volumes:
       - data:/var/www/eramba/app/upgrade/data
       - app:/var/www/eramba
-      - ./main.env:/var/www/eramba/app/upgrade/vendor/eramba/docker/main.env
-    env_file:
-      - main.env
+      - ./docker-cron-entrypoint.sh:/docker-cron-entrypoint.sh
+      - ./crontab/crontab:/etc/cron.d/eramba-crontab
+    environment:
+      DB_HOST: ${DB_HOST}
+      DB_DATABASE: ${DB_DATABASE}
+      DB_USERNAME: ${DB_USERNAME}
+      DB_PASSWORD: ${DB_PASSWORD}
+      CACHE_URL: ${CACHE_URL}
+      HTTP_HOST: ${HTTP_HOST}
     links:
       - mysql
       - redis
diff --git a/docker-cron-entrypoint.sh b/docker-cron-entrypoint.sh
new file mode 100755
index 0000000..d18d8a7
--- /dev/null
+++ b/docker-cron-entrypoint.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+cd /var/www/eramba/app/upgrade/vendor/eramba/docker || exit
+
+su -s /bin/bash -c "printenv | grep DB_ > .env" www-data
+su -s /bin/bash -c "printenv | grep CACHE_URL >> .env" www-data
+su -s /bin/bash -c "printenv | grep HTTP_HOST >> .env" www-data
+
+su -s /bin/bash -c "crontab -u www-data /etc/cron.d/eramba-crontab" www-data
+
+exec docker-php-entrypoint "$@"
diff --git a/main.env b/main.env
deleted file mode 100644
index 85fe2dd..0000000
--- a/main.env
+++ /dev/null
@@ -1,6 +0,0 @@
-HTTP_HOST=localhost:8080
-DB_HOST=mysql
-DB_DATABASE=docker
-DB_USERNAME=docker
-DB_PASSWORD=docker
-CACHE_URL=Redis://?server=redis&port=6379&password=&timeout=3
diff --git a/mysql/entrypoint/grant.sh b/mysql/entrypoint/grant.sh
index 4edd668..dabde72 100755
--- a/mysql/entrypoint/grant.sh
+++ b/mysql/entrypoint/grant.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-mysql -u root -pdocker -e 'GRANT PROCESS ON *.* TO docker@`%`;'
+mysql -u root -p"$MYSQL_ROOT_PASSWORD" -e 'GRANT PROCESS ON *.* TO '"$MYSQL_USER"'@`%`;'