Made docker-compose generate a configuration forcing the domain to be set to $_SERVER['SERVER_NAME'] in order to properly get assets while accessing the website from another device.

docker-compose.yml

@@ -23,7 +23,6 @@ services:
             - 80:80
         environment:
             - ENV=dev
-            - DOMAIN=localhost
             - APP_NAME=Framadate
             - ADMIN_MAIL=mon@email.fr
             - MYSQL_USER=framadate

docker/stretch/entrypoint.sh

@@ -19,9 +19,7 @@ if [ ! -f $FRAMADATE_CONFIG ]; then
   echo "There is no configuration file. Create one with environment variables"
   cp /var/www/framadate/tpl/admin/config.tpl $FRAMADATE_CONFIG
   # Set values on configuration file
-  if [ ! -z "$DOMAIN" ]; then
-    sed -i -E "s/^(\/\/ )?const APP_URL( )?=.*;/const APP_URL = '$DOMAIN';/g" $FRAMADATE_CONFIG
-  fi
+  sed -i -E "s/^(\/\/ )?const APP_URL( )?=.*;/const APP_URL = '$DOMAIN';/g" $FRAMADATE_CONFIG
   if [ "$FORCE_HTTPS" = true ]; then
     sed -i -E "s/^(\/\/ )?const FORCE_HTTPS\\s*=.*;/const FORCE_HTTPS = true;/" $FRAMADATE_CONFIG
   fi