diff --git a/docker-compose.yml b/docker-compose.yml
index 66d2fd4..9c8fc7a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3.5"
 services:
     typo3:
         container_name: ${TYPO3_CONTAINER_NAME:-typo3}
-        image: martinhelmich/typo3:${TYPO3_VERSION:-latest}
+        image: ${TYPO3_IMAGE:-martinhelmich/typo3}:${TYPO3_VERSION:-latest}
         restart: unless-stopped
         ports:
             - ${TYPO3_HOST_IP_ADDRESS:-127.0.0.1}:${TYPO3_HOST_PORT:-8001}:80
@@ -10,3 +10,6 @@ services:
             - ./fileadmin:/var/www/html/fileadmin
             - ./typo3conf:/var/www/html/typo3conf
             - ./uploads:/var/www/html/uploads
+        sysctls:
+            - net.ipv4.ip_unprivileged_port_start=0
+
diff --git a/setup b/setup
index 92f3b98..8b0f8a9 100755
--- a/setup
+++ b/setup
@@ -21,6 +21,7 @@ DELETE_CONFIG=""
 TYPO3_PROJECT_NAME="typo3_${DATE}"
 TYPO3_PROJECT_NAME_SUFFIX=""
 TYPO3_CONTAINER_NAME="${TYPO3_PROJECT_NAME}_core"
+TYPO3_IMAGE="martinhelmich/typo3"
 TYPO3_VERSION=""
 TYPO3_HOST_IP_ADDRESS=""
 TYPO3_HOST_PORT=""
@@ -43,6 +44,12 @@ if [ -f "config" ]; then
 fi
 
 if [ $CONFIG_EXISTS == "false" ] || [ $USE_EXISTING_CONFIG == "n" ]; then
+    read -p "Would you like to use custom image 'b-eit/typo3'? (y/n)" USE_CUSTOM_IMAGE
+    if [ $USE_CUSTOM_IMAGE == "y" ]; then
+        echo "You have to build this image (with correct version you want to use) befor manualy with the build script!"
+        read -p "Have you done this? (ENTER)"
+        TYPO3_IMAGE="b-eit/typo3"
+    fi
     read -p "Enter typo3 version which should be used: " TYPO3_VERSION
     read -p "Enter host (vm) ip address on which typo3 should be accessible: " TYPO3_HOST_IP_ADDRESS
     read -p "Enter host (vm) port on which typo3 should be accessible: " TYPO3_HOST_PORT
@@ -75,6 +82,12 @@ echo -n "Wait until typo3 is ready ..."
 
 echo -e "\nTypo3 is ready!"
 
+if [ $DELETE_CONFIG == "y" ]; then
+    rm -f config
+
+    echo "Config file 'config' deleted!"
+fi
+
 rm -f .env
 
 echo "Done!"