diff --git a/.env b/.env
index e2e9725..72c8f6d 100644
--- a/.env
+++ b/.env
@@ -38,6 +38,10 @@ ENV_CRON='0 1 * * *'
 ### possible values: "postgres", "nextcloud", "none"
 ENV_PROVISION_MODE="nextcloud"
 
+## storagebox settings
+### storagebox settings (optional)
+# when not set, defaults to 22
+ENV_TARGET_DOMAIN_PORT="22"
 ### storagebox settings (needed)
 ENV_TARGET_DOMAIN=name_of_your_storagebox_domain
 ENV_TARGET_DOMAIN_USER=login_name_of_your_storagebox
diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index 3cda35b..6cf2a93 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -64,3 +64,69 @@ jobs:
           password: ${{ secrets.DOCKER_HUB_PASSWORD }}
           repository: ${{ vars.DOCKER_HUB_USERNAME }}/backup
           readme-filepath: ./README.md
+
+
+  test:
+      runs-on: ubuntu-latest
+
+      steps:
+        - name: Checkout repository
+          uses: actions/checkout@v3
+
+        - name: Generate SSH Key Pair
+          run: |
+            mkdir -p sftp-keys
+            ssh-keygen -t rsa -b 2048 -f sftp-keys/id_rsa -q -N ""
+            chmod 600 sftp-keys/id_rsa
+
+        - name: Start SFTP Server with Mounts
+          run: |
+            docker run -d --name fake-sftp \
+              -p 2222:22 \
+              -v $(pwd)/sftp-keys/id_rsa.pub:/home/test/.ssh/keys/id_rsa.pub:ro \
+              -v $(pwd)/sftp-data:/home/test/uploads \
+              atmoz/sftp test::1001
+
+        - name: Wait for SFTP server to be ready
+          run: |
+            for i in {1..10}; do
+              if nc -z localhost 2222; then
+                echo "SFTP server is up!"
+                exit 0
+              fi
+              echo "Waiting for SFTP server..."
+              sleep 2
+            done
+            echo "SFTP server did not start in time" && exit 1
+
+        - name: Create test files
+          run: |
+            mkdir -p test-data
+            echo "File 1 content" > test-data/file1.txt
+            echo "File 2 content" > test-data/file2.txt
+            echo "File 3 content" > test-data/file3.txt
+
+        - name: delete before
+          run: |
+            docker rmi ${{ vars.DOCKER_HUB_USERNAME }}/backup:test || true
+
+        - uses: docker/setup-buildx-action@v3
+        - name: Build for testing
+          uses: docker/build-push-action@v6
+          with:
+            context: ./docker
+            push: false
+            load: true
+            tags: ${{ vars.DOCKER_HUB_USERNAME }}/backup:test
+            platforms: linux/amd64
+            cache-from: type=gha
+            cache-to: type=gha,mode=max
+
+        - name: prepare test.env
+          run: |
+              echo "ENV_SSH_PRIVATE_KEY_BASE64=$(cat $(pwd)/sftp-keys/id_rsa | base64 -w 0)" >> test.env
+              cat test.env
+
+        - name: Run Backup Container
+          run: |
+              ./run_backup.sh backup /source
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 33e236f..e2d2d40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 # Project specific ignores
-/test.env
+/local.env
 /prod.env
 
 /log/*
diff --git a/docker/entry.sh b/docker/entry.sh
index 006883f..e3e4e80 100644
--- a/docker/entry.sh
+++ b/docker/entry.sh
@@ -21,6 +21,14 @@ if [[ "$DEBUG" == "1" ]];then
   exec bin/bash 
 fi
 
+echo "TODO: REMOVE ME: CI/CD TESTING"
+echo "DEBUG: prepare_ssh.sh"
+echo "cat known hosts"
+cat /etc/ssh/ssh_known_hosts
+
+echo "cat ssh_config"
+cat /etc/ssh/ssh_config
+
 # argument mode
 if [[ $# -gt 0 ]]; then
   restic "${@}"
diff --git a/docker/manager.sh b/docker/manager.sh
index 4a71bda..2b76247 100644
--- a/docker/manager.sh
+++ b/docker/manager.sh
@@ -33,6 +33,10 @@ fi
 
 if [[ $status_backup == 0 ]]; then
   telegram.sh "Backup: Successful"
+  # todo: find a better way for assert the backup status in tests
+  echo "Backup: Successful" 2>&1 | tee ${backupLastLogfile}
 else
   telegram.sh "Backup: Failure"
+  # todo: find a better way for assert the backup status in tests
+  echo "Backup: Failure" 2>&1 | tee ${backupLastLogfile}
 fi
diff --git a/docker/prepare.sh b/docker/prepare.sh
index 2bd9bb6..4716ee6 100644
--- a/docker/prepare.sh
+++ b/docker/prepare.sh
@@ -56,5 +56,12 @@ mkdir -p /restore
 ## Backup specific parts not plugins
 prepare_ssh.sh
 
+echo "DEBUG: prepare_ssh.sh"
+echo "cat known hosts"
+cat /etc/ssh/ssh_known_hosts
+
+echo "cat ssh_config"
+cat /etc/ssh/ssh_config
+
 ## Feature specific parts
 # currently nothing here
diff --git a/docker/prepare_ssh.sh b/docker/prepare_ssh.sh
index 4b3f97c..0703a58 100644
--- a/docker/prepare_ssh.sh
+++ b/docker/prepare_ssh.sh
@@ -13,5 +13,14 @@ cat <<EOL > /etc/ssh/ssh_config
 Host storagebox
     Hostname $TARGET_DOMAIN
     User $TARGET_DOMAIN_USER
+    Port ${TARGET_DOMAIN_PORT:-22}
     IdentityFile /private_key
 EOL
+
+
+echo "DEBUG: prepare_ssh.sh"
+echo "cat known hosts"
+cat /etc/ssh/ssh_known_hosts
+
+echo "cat ssh_config"
+cat /etc/ssh/ssh_config
\ No newline at end of file
diff --git a/run_backup.sh b/run_backup.sh
index 8b9fa9e..0f21d5e 100755
--- a/run_backup.sh
+++ b/run_backup.sh
@@ -18,7 +18,8 @@ if [[ "$#" -gt 0 ]]; then
   esac
 fi
 ###
-source .env
+### TODO: find a way to change env file for testing and prod usage
+source test.env
 ###
 
 ### create restore folder at the same level as the script
@@ -65,6 +66,7 @@ docker run ${RESTART_OPTION} --hostname backup \
   $SOURCE_MOUNT \
   -e "DEBUG"="${_DEBUG}" \
   -e "TARGET_DOMAIN"="${ENV_TARGET_DOMAIN}" \
+  -e "TARGET_DOMAIN_PORT"="${ENV_TARGET_DOMAIN_PORT}" \
   -e "TARGET_DOMAIN_USER"="${ENV_TARGET_DOMAIN_USER}" \
   -e "SSH_PRIVATE_KEY_BASE64"="${ENV_SSH_PRIVATE_KEY_BASE64}" \
   -e "NC_URL"="${ENV_NC_URL}" \
@@ -80,4 +82,4 @@ docker run ${RESTART_OPTION} --hostname backup \
   -e POSTGRES_HOST="${ENV_POSTGRES_HOST}" \
   -e PROVISION_MODE="${ENV_PROVISION_MODE}" \
   -e "CRON"="${ENV_CRON}" \
-  devp1337/backup:latest "${@}"
+  devp1337/backup:test "${@}"
diff --git a/test.env b/test.env
new file mode 100644
index 0000000..95e0a4e
--- /dev/null
+++ b/test.env
@@ -0,0 +1,23 @@
+SCRIPT_DATA_TO_BACKUP='none'
+#SCRIPT_RESTORE_DATA_TO=/path/to/restore/data
+#SCRIPT_LOG_PATH=/path/to/logfiles
+
+### restic (needed)
+ENV_RESTIC_REPOSITORY_NAME=test
+ENV_RESTIC_PASSWORD='test123'
+
+### telegram (needed)
+ENV_TELEGRAM_TOKEN=123
+ENV_TELEGRAM_CHAT_ID=123
+
+### CRON, defaults to 1am (needed)
+ENV_CRON='0 1 * * *'
+
+### provision mode (needed)
+### possible values: "postgres", "nextcloud", "none"
+ENV_PROVISION_MODE="none"
+
+ENV_TARGET_DOMAIN_PORT=2222
+### storagebox settings (needed)
+ENV_TARGET_DOMAIN=localhost
+ENV_TARGET_DOMAIN_USER=test
diff --git a/testing/preset_data.sql b/test/postgres/preset_data.sql
similarity index 100%
rename from testing/preset_data.sql
rename to test/postgres/preset_data.sql
diff --git a/testing/test.compose.yaml b/test/postgres/test.compose.yaml
similarity index 100%
rename from testing/test.compose.yaml
rename to test/postgres/test.compose.yaml