diff --git a/README.md b/README.md
index 95a02850b3439813da01858d2bcd6ee6a7c5c4e7..db7cb3e0dea2bfd4f3a36f2c99de6ebf43d4b67c 100644
--- a/README.md
+++ b/README.md
@@ -132,6 +132,8 @@ Build `ipa` and `apk` using `production` configuration.
 Expamle configuration for Gitlab (`.gitlab-ci.yml`)
 
 ```yml
+variables:
+  APP_DISTRIBUTOR_PROJECT_NAME: 'my_project'
 
 build_native:
   stage: production
@@ -140,7 +142,7 @@ build_native:
   script:
     - echo "Building Native My App"
     - source $HOME/.bashrc
-    - rvm use 2.2.1
+    - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN docker.codevise.de
     - nvm use 9.2.0
     - npm ci
     - cordova-build --build --ipa --apk ${CONFIG}
@@ -156,14 +158,18 @@ build_js:
   script:
     - echo "Building My App"
     - source $HOME/.bashrc
-    - rvm use 2.2.1
+    - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN docker.codevise.de
     - nvm use 9.2.0
-    - bundle install
     - npm ci
     - cordova-build --sign --ipa --apk ${CONFIG}
 ```
 
+Required secret GitLab environment variables:
+
+* `APP_DISTRIBUTOR_SERVER_URL`
+* `APP_DISTRIBUTOR_AUTH_TOKEN`
+
 ## Dependencies
 
  * Cordova
- * AppDistributor Gem
+ * Docker
diff --git a/include/app_distributor.sh b/include/app_distributor.sh
new file mode 100644
index 0000000000000000000000000000000000000000..980d554b7cb045ae276b6dad694839febc5132c3
--- /dev/null
+++ b/include/app_distributor.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+function appDistributor {
+  APP_DISTRIBUTOR_GEM_IMAGE=${APP_DISTRIBUTOR_GEM_IMAGE:-docker.codevise.de/codevise/app_distributor_gem:v0.2.0}
+
+  docker run \
+         -v $CORDOVA_PLATFORM_RELEASE_DIR:/platforms_release \
+         -e APP_DISTRIBUTOR_SERVER_URL \
+         -e APP_DISTRIBUTOR_AUTH_TOKEN \
+         -e APP_DISTRIBUTOR_BUILD_NAME="${BUILD_NUMBER}_${CONFIG}_${BRANCH}" \
+         -e APP_DISTRIBUTOR_PROJECT_NAME \
+         -e APP_DISTRIBUTOR_APK_BUILD_DIR="/platforms_release/android/build/outputs/apk/" \
+         -e APP_DISTRIBUTOR_IPA_BUILD_DIR="/platforms_release/ios/export/" \
+         $APP_DISTRIBUTOR_GEM_IMAGE \
+         "$1"
+}
diff --git a/include/index.sh b/include/index.sh
index 26b42f23cd1a70f7a36f5d189950733ec6d58f36..83228666f5fe1db3221a9bac609018e3cc6290f0 100644
--- a/include/index.sh
+++ b/include/index.sh
@@ -5,3 +5,4 @@ source $INCLUDE_DIR/util.sh
 source $INCLUDE_DIR/env.sh
 source $INCLUDE_DIR/cache.sh
 source $INCLUDE_DIR/funcs.sh
+source $INCLUDE_DIR/app_distributor.sh
diff --git a/sign.sh b/sign.sh
index 065f5dc7b48e0af804f180bd3ad25d2f097424d1..abb386157bf1935273687fe546c0953a2931dd99 100755
--- a/sign.sh
+++ b/sign.sh
@@ -44,7 +44,7 @@ if [ "$BUILD_IPA" == 'true' ]; then
   source $SHELLDIR/sign_ipa.sh
 
   echo_info "Submit IPA"
-  bundle exec rake app_distributor:submit:ipa
+  appDistributor submit:ipa
 fi
 
 if [ "$BUILD_APK" == 'true' ]; then
@@ -53,6 +53,6 @@ if [ "$BUILD_APK" == 'true' ]; then
   source $SHELLDIR/sign_apk.sh
 
   echo_info "Submit APK"
-  bundle exec rake app_distributor:submit:apk
+  appDistributor submit:apk
 fi