diff --git a/.github/actions/setup-podman/action.yml b/.github/actions/setup-podman/action.yml
index 954140f..2814e2b 100644
--- a/.github/actions/setup-podman/action.yml
+++ b/.github/actions/setup-podman/action.yml
@@ -101,6 +101,14 @@ runs:
         systemctl --user enable --now podman.socket
         echo "DOCKER_HOST=unix://$XDG_RUNTIME_DIR/podman/podman.sock" >> $GITHUB_ENV
 
+    - name: Expose Podman socket as /var/run/docker.sock
+      shell: bash
+      run: |
+        # GitHub Actions container-based actions mount /var/run/docker.sock
+        # hardcoded. Symlink it to the Podman socket so those actions work.
+        sudo ln -sf "$XDG_RUNTIME_DIR/podman/podman.sock" /var/run/docker.sock
+        sudo chmod 666 "$XDG_RUNTIME_DIR/podman/podman.sock"
+
     - name: Verify Podman and podman-compose
       shell: bash
       run: |
diff --git a/.github/workflows/_robot-tests.yml b/.github/workflows/_robot-tests.yml
new file mode 100644
index 0000000..2d95f5f
--- /dev/null
+++ b/.github/workflows/_robot-tests.yml
@@ -0,0 +1,66 @@
+name: Robot Tests
+
+on:
+  workflow_call:
+    inputs:
+      release_version:
+        required: true
+        type: string
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
+jobs:
+  robot-tests:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Set up Podman
+        uses: ./.github/actions/setup-podman
+
+      - name: Login to ghcr.io
+        run: |
+          echo "${{ secrets.GITHUB_TOKEN }}" | \
+            podman login ghcr.io \
+              -u "${{ github.actor }}" \
+              --password-stdin
+
+      - name: Download runtime image (amd64)
+        uses: actions/download-artifact@v8
+        with:
+          name: runtime-image-amd64
+
+      - name: Load runtime image
+        run: |
+          zstd -d runtime.tar.zst -o runtime.tar
+          podman load < runtime.tar
+          podman images
+          podman tag \
+            ghcr.io/${{ github.repository }}:latest-amd64 \
+            packtly-builder:latest
+
+      - name: Run Robot Framework tests
+        run: ./test/robot/run.sh
+
+      - name: Fix step summary permissions for Robot Reporter
+        if: always()
+        run: chmod o+w "$GITHUB_STEP_SUMMARY"
+
+      - name: Robot Reporter
+        if: always() && github.event_name == 'pull_request'
+        uses: joonvena/robotframework-reporter-action@v2.5
+        with:
+          gh_access_token: ${{ secrets.GITHUB_TOKEN }}
+          report_path: test/robot/results
+
+      - name: Upload Robot results
+        if: always()
+        uses: actions/upload-artifact@v7
+        with:
+          name: robot-results
+          path: test/robot/results
+          if-no-files-found: warn
+          retention-days: 7
diff --git a/.github/workflows/_tooling.yml b/.github/workflows/_tooling.yml
index 26d1db4..f8a7629 100644
--- a/.github/workflows/_tooling.yml
+++ b/.github/workflows/_tooling.yml
@@ -45,13 +45,20 @@ jobs:
           command: just build
           release-version: ${{ inputs.release_version }}
 
-      - name: Publish test results
-        uses: dorny/test-reporter@v3
+      - name: Publish Unit Test Results
+        uses: mikepenz/action-junit-report@v6
         if: always()
         with:
-          name: Pytest Results
-          path: packtly-builder/tooling/python-test-results.xml
-          reporter: python-xunit
+          comment: true
+          detailed_summary: true
+          group_suite: true
+          include_passed: true
+          include_time_in_summary: true
+          job_summary: true
+          report_paths: packtly-builder/tooling/python-test-results.xml
+          simplified_summary: false
+          skip_success_summary: false
+          updateComment: true
 
       - name: Coverage summary
         uses: orgoro/coverage@ca0c362dc1a4f100447309405e6dfea47e251495
diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 969ac8d..8211b86 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -63,3 +63,13 @@ jobs:
     permissions:
       packages: write
 
+  robot-tests:
+    needs:
+      - runtime-manifest
+    uses: ./.github/workflows/_robot-tests.yml
+    with:
+      release_version: ${{ needs.version.outputs.release_version }}
+    secrets: inherit
+    permissions:
+      checks: write
+      pull-requests: write
diff --git a/.gitignore b/.gitignore
index bbbe7f2..c1ddb98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,11 @@ cover/
 python-test-results.xml
 test-output.xml
 *.log
+
+# Robot Framework artifacts
+output.xml
+report.html
+log.html
+xunit.xml
+debugfile.txt
+test/robot/results/
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 18d15b8..02306a4 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -13,6 +13,14 @@
                 "cwd": "${workspaceFolder}/packtly-builder/tooling"
             },
             "problemMatcher": []
+        },
+        {
+            "label": "run robot tests",
+            "type": "shell",
+            "command": "${workspaceFolder}/test/robot/run.sh",
+            "problemMatcher": [
+                "$python"
+            ]
         }
     ],
     "inputs": [
diff --git a/test/robot/keywords/aptly.robot b/test/robot/keywords/aptly.robot
new file mode 100644
index 0000000..253005b
--- /dev/null
+++ b/test/robot/keywords/aptly.robot
@@ -0,0 +1,11 @@
+*** Settings ***
+Library    OperatingSystem
+
+*** Keywords ***
+Generate Aptly Credentials
+    [Arguments]
+    ...    ${path}
+    ...    ${username}=admin
+    ...    ${password}=password
+
+    Create File    ${path}    username=${username}\npassword=${password}
diff --git a/test/robot/keywords/git.robot b/test/robot/keywords/git.robot
new file mode 100644
index 0000000..3340f17
--- /dev/null
+++ b/test/robot/keywords/git.robot
@@ -0,0 +1,18 @@
+*** Settings ***
+Library    Process
+
+*** Keywords ***
+Checkout Repository
+    [Arguments]    ${url}    ${path}    ${branch}=main
+
+    ${result}=    Run Process
+    ...    git
+    ...    clone
+    ...    --depth
+    ...    1
+    ...    --branch
+    ...    ${branch}
+    ...    ${url}
+    ...    ${path}
+
+    Should Be Equal As Integers    ${result.rc}    0    ${result.stderr}
diff --git a/test/robot/keywords/gpg.robot b/test/robot/keywords/gpg.robot
new file mode 100644
index 0000000..74c339a
--- /dev/null
+++ b/test/robot/keywords/gpg.robot
@@ -0,0 +1,48 @@
+*** Settings ***
+Library    Process
+Library    String
+Library    OperatingSystem
+
+*** Variables ***
+${GEN_GPG_SCRIPT}    ${EMPTY}
+
+*** Keywords ***
+Get Gen GPG Script
+    ${result}=    Run Process    git    rev-parse    --show-toplevel
+    Should Be Equal As Integers    ${result.rc}    0    ${result.stderr}
+    ${topdir}=    Strip String    ${result.stdout}
+    RETURN    ${topdir}/packtly-builder/containers/scripts/gen_gpg
+
+Generate GPG Keys
+    [Arguments]
+    ...    ${keys_dir}
+    ...    ${image}
+    ...    ${name}=packtly-test
+    ...    ${email}=test@packtly.local
+    ...    ${pass}=test1234
+
+    ${gpg_out}=    Set Variable    ${keys_dir}/_gpg_out
+    ${gen_gpg}=    Get Gen GPG Script
+
+    Create Directory    ${keys_dir}/public
+    Create Directory    ${keys_dir}/private
+    Create Directory    ${gpg_out}
+
+    ${result}=    Run Process
+    ...    podman    run    --rm
+    ...    --entrypoint    /usr/local/bin/gen_gpg
+    ...    -v    ${gen_gpg}:/usr/local/bin/gen_gpg:Z,ro
+    ...    -v    ${gpg_out}:/opt/keys/gpg:Z
+    ...    ${image}
+    ...    --name    ${name}
+    ...    --email    ${email}
+    ...    --pass    ${pass}
+    ...    stdout=PIPE    stderr=PIPE
+
+    Should Be Equal As Integers    ${result.rc}    0    ${result.stderr}
+
+    Move File    ${gpg_out}/repo_signing.key             ${keys_dir}/public/repo_signing.key
+    Move File    ${gpg_out}/repo_signing_private.key     ${keys_dir}/private/repo_signing_private.key
+    Move File    ${gpg_out}/repo_signing_private_pass    ${keys_dir}/private/repo_signing_private_pass
+
+    Remove Directory    ${gpg_out}    recursive=True
diff --git a/test/robot/requirements.txt b/test/robot/requirements.txt
new file mode 100644
index 0000000..357978a
--- /dev/null
+++ b/test/robot/requirements.txt
@@ -0,0 +1,4 @@
+robotframework
+robotframework-requests
+robotframework-jsonlibrary
+robotframework-pythonlibcore
diff --git a/test/robot/run.sh b/test/robot/run.sh
new file mode 100755
index 0000000..bd305c9
--- /dev/null
+++ b/test/robot/run.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# Install robotframework if not already installed
+if ! pipx list --short | grep -q '^robotframework '; then
+    pipx install \
+        --pip-args="-r ${ROOT}/requirements.txt" \
+        robotframework
+fi
+
+# Tests ausführen
+robot \
+    --outputdir "${ROOT}/results" \
+    "${ROOT}/suites"
+
diff --git a/test/robot/suites/hello_world.robot b/test/robot/suites/hello_world.robot
new file mode 100644
index 0000000..6cbba8d
--- /dev/null
+++ b/test/robot/suites/hello_world.robot
@@ -0,0 +1,39 @@
+*** Settings ***
+Documentation    Hello World – Robot Framework Einstiegsbeispiel
+...              Zeigt grundlegende Keywords, Variablen und Log-Ausgaben.
+
+*** Variables ***
+${GREETING}    Hello, Robot World!
+${NAME}        Packtly Builder
+
+*** Test Cases ***
+
+Hello World Ausgabe
+    [Documentation]    Gibt eine einfache Begrüßung aus.
+    Log    ${GREETING}
+    Log To Console    ${GREETING}
+
+Variablen verwenden
+    [Documentation]    Demonstriert die Nutzung von Robot-Variablen.
+    ${message}=    Set Variable    Hello from ${NAME}!
+    Should Be Equal    ${message}    Hello from ${NAME}!
+    Log    ${message}
+
+Einfache Assertion
+    [Documentation]    Prüft arithmetische Gleichheit via BuiltIn.
+    ${result}=    Evaluate    2 + 2
+    Should Be Equal As Integers    ${result}    4
+
+Schleifen Demo
+    [Documentation]    Iteriert über eine Liste und loggt jeden Eintrag.
+    @{items}=    Create List    alpha    beta    gamma
+    FOR    ${item}    IN    @{items}
+        Log    Item: ${item}
+    END
+
+*** Keywords ***
+
+Benutze Gruss
+    [Arguments]    ${name}
+    [Documentation]    Gibt einen personalisierten Gruß zurück.
+    RETURN    Hello, ${name}!
diff --git a/test/robot/suites/test_build_systemd.robot b/test/robot/suites/test_build_systemd.robot
new file mode 100644
index 0000000..ff4cd6b
--- /dev/null
+++ b/test/robot/suites/test_build_systemd.robot
@@ -0,0 +1,99 @@
+*** Settings ***
+Library     OperatingSystem
+Library     Process
+Resource    ../keywords/git.robot
+Resource    ../keywords/gpg.robot
+Resource    ../keywords/aptly.robot
+
+Suite Setup       Prepare Workspace
+Suite Teardown    Remove Directory    ${WORKSPACE}    recursive=True
+
+*** Variables ***
+${SYSTEMD_URL}          https://salsa.debian.org/systemd-team/systemd.git
+${SYSTEMD_BRANCH}       debian/master
+${CONTAINER_IMAGE}      packtly-builder:latest
+${APTLY_CREDENTIALS}    ${EMPTY}
+${WORKSPACE}            ${EMPTY}
+${KEYS_DIR}             ${EMPTY}
+
+*** Keywords ***
+Prepare Workspace
+    Set Suite Variable    ${WORKSPACE}    ${TEMPDIR}/systemd-build
+    Set Suite Variable    ${KEYS_DIR}    ${WORKSPACE}/keys
+    Set Suite Variable    ${APTLY_CREDENTIALS}    ${WORKSPACE}/aptly-credentials
+    Create Directory    ${WORKSPACE}
+    Create Directory    ${WORKSPACE}/logs
+    Generate GPG Keys    ${KEYS_DIR}    ${CONTAINER_IMAGE}
+    Generate Aptly Credentials    ${APTLY_CREDENTIALS}
+
+Run Systemd build
+    [Arguments]
+    ...    ${workspace}
+    ...    ${keys_dir}
+    ...    ${aptly_credentials}
+    ...    ${image}
+    ...    ${dist}=trixie-apollo
+    ...    ${component}=main
+
+    ${result}=    Run Process
+    ...    podman    run    --rm
+    ...    -v    ${workspace}:/workspace:Z
+    ...    -v    ${keys_dir}/public/repo_signing.key:/opt/keys/gpg/repo_signing.key:Z,ro
+    ...    -v    ${keys_dir}/private/repo_signing_private.key:/opt/keys/gpg/repo_signing_private.key:Z,ro
+    ...    -v    ${keys_dir}/private/repo_signing_private_pass:/opt/keys/gpg/repo_signing_private_pass:Z,ro
+    ...    -v    ${aptly_credentials}:/run/secrets/aptly-credentials:Z,ro
+    ...    -v    ${workspace}/logs:/logs:Z
+    ...    -e    APTLYHOST\=http://localhost:8080
+    ...    -e    DEB_BUILD_OPTIONS\=nocheck
+    ...    --cap-add    SYS_ADMIN
+    ...    --cap-add    SYS_PTRACE
+    ...    --network\=host
+    ...    ${image}
+    ...    /workspace/systemd
+    ...    --log-file    /logs/build.log
+    ...    --dist    ${dist}
+    ...    --component    ${component}
+
+    Log File    ${workspace}/logs/build.log
+    Copy File    ${workspace}/logs/build.log    ${CURDIR}/../results/systemd_build.log
+    Should Be Equal As Integers    ${result.rc}    0
+    ...    Build failed with rc ${result.rc}. See stdout/stderr and build.log above.
+
+
+Verify Build Artifacts
+    [Documentation]    Verify a successful build produced valid .changes and .deb artifacts.
+    [Arguments]    ${workspace}    ${image}
+
+    # A successful debuild leaves the .changes and .deb files in the workspace.
+    ${changes}=    List Files In Directory    ${workspace}    *.changes    absolute=True
+    Should Not Be Empty    ${changes}    No .changes file produced - build did not complete
+    ${debs}=    List Files In Directory    ${workspace}    *.deb    absolute=True
+    Should Not Be Empty    ${debs}    No .deb packages produced
+
+    # Validate each .deb is a structurally valid Debian package.
+    FOR    ${deb}    IN    @{debs}
+        ${info}=    Run Process
+        ...    podman    run    --rm
+        ...    --entrypoint    dpkg-deb
+        ...    -v    ${workspace}:/workspace:Z,ro
+        ...    ${image}
+        ...    --info    /workspace/${deb.rsplit('/', 1)[1]}
+        ...    stdout=PIPE    stderr=PIPE
+        Log    ${info.stdout}
+        Should Be Equal As Integers    ${info.rc}    0
+        ...    dpkg-deb rejected ${deb}: ${info.stderr}
+    END
+
+
+
+*** Test Cases ***
+Test Systemd Build
+    [Documentation]    Test building systemd package with packtly-builder
+    [Tags]    systemd    build
+    Checkout Repository    ${SYSTEMD_URL}    ${WORKSPACE}/systemd    ${SYSTEMD_BRANCH}
+    Run Systemd build
+    ...    ${WORKSPACE}
+    ...    ${KEYS_DIR}
+    ...    ${APTLY_CREDENTIALS}
+    ...    image=${CONTAINER_IMAGE}
+    Verify Build Artifacts    ${WORKSPACE}    ${CONTAINER_IMAGE}