build(image): add Dockerfile for agent carrier container image

.containerignore

@@ -0,0 +1,2 @@
+*
+!target/*.jar

.github/workflows/container-image.yml

@@ -16,9 +16,9 @@ on:
 env:
   OPENSUSE_UNOFFICIAL_LIBCONTAINERS_KEY_URL: "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04/Release.key"
   OPENSUSE_UNOFFICIAL_LIBCONTAINERS_SOURCE_URL: "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04"
-  CI_USER: redhat-java-monitoring+github_ci
-  CI_REGISTRY: quay.io/redhat-java-monitoring
-  CI_IMG: quay.io/redhat-java-monitoring/quarkus-cryostat-agent
+  CARRIER_CI_USER: cryostat+bot
+  CARRIER_CI_REGISTRY: quay.io/cryostat
+  CARRIER_CI_IMG: quay.io/cryostat/cryostat-agent-carrier
 
 jobs:
   build-agent:
@@ -36,73 +36,53 @@ jobs:
         echo "agent-version=$(mvn -q -DforceStdout help:evaluate -Dexpression=project.version)" >> $GITHUB_OUTPUT
     - uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '11'
         distribution: 'temurin'
     - uses: actions/cache@v4
       with:
         path: ~/.m2
         key: ${{ runner.os }}-build-${{ hashFiles('**/pom.xml') }}
     - run: mvn -B -U clean install
 
-  build-quarkus-test-app:
+  build-carrier:
     needs: [build-agent]
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        java: ['17']
-    outputs:
-      quay-image: ${{ steps.quarkus-test-image.outputs.image }}
     env:
       agent-version: ${{ needs.build-agent.outputs.image-version }}
-    name: Build Java ${{ matrix.java }}
+    name: Build carrier image
     steps:
     - uses: actions/checkout@v4
       with:
         submodules: true
         fetch-depth: 0
     - name: Get date tag
       run: echo "DATE_TAG=$(date -uI)" >> "$GITHUB_ENV"
-    - uses: actions/cache@v4
-      with:
-        path: ~/.m2
-        key: ${{ runner.os }}-build-${{ hashFiles('**/pom.xml') }}
-        restore-keys: |
-          ${{ runner.os }}-build-
-          ${{ runner.os }}-
     - uses: actions/setup-java@v4
       with:
-        java-version: ${{ matrix.java }}
+        java-version: '11'
         distribution: 'temurin'
-        cache: 'maven'
-    - uses: actions/checkout@v4
+    - uses: actions/cache@v4
       with:
-        repository: ${{ github.repository_owner }}/test-applications
-        ref: main
-        submodules: true
-        fetch-depth: 0
-    - name: Build application
-      working-directory: quarkus-agent
-      run: ./mvnw -B -U -Dio.cryostat.agent.version=${{ env.agent-version }} clean verify
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        path: ~/.m2
+        key: ${{ runner.os }}-build-${{ hashFiles('**/pom.xml') }}
+    - run: mvn -B -U clean install
     - name: Build container images and manifest
       id: buildah-build
       uses: redhat-actions/buildah-build@v2
       with:
-        image: ${{ env.CI_IMG }}
+        image: ${{ env.CARRIER_CI_IMG }}
         archs: amd64, arm64
         tags: ${{ env.agent-version }} ${{env.DATE_TAG}} latest
-        context: quarkus-agent
         containerfiles: |
-          ./quarkus-agent/src/main/docker/Dockerfile.jvm
+          src/main/container/Containerfile
     - name: Push to quay.io
       id: push-to-quay
       uses: redhat-actions/push-to-registry@v2
       with:
-        image: quarkus-cryostat-agent
+        image: cryostat-agent-carrier
         tags: ${{ steps.buildah-build.outputs.tags }}
-        registry: ${{ env.CI_REGISTRY }}
-        username: ${{ env.CI_USER }}
-        password: ${{ secrets.REPOSITORY_TOKEN }}
+        registry: ${{ env.CARRIER_CI_REGISTRY }}
+        username: ${{ env.CARRIER_CI_USER }}
+        password: ${{ secrets.CARRIER_REPOSITORY_TOKEN }}
     - name: Print image URL
       run: echo "Image pushed to ${{ steps.push-to-quay.outputs.registry-paths }}"

src/main/container/Containerfile

@@ -0,0 +1,5 @@
+ARG BASEIMAGE=docker.io/library/busybox:latest
+FROM ${BASEIMAGE}
+ARG OUTDIR=/cryostat/agent
+COPY target/cryostat-agent-*-shaded.jar ${OUTDIR}/
+RUN ln -s ${OUTDIR}/cryostat-agent-*-shaded.jar ${OUTDIR}/cryostat-agent-shaded.jar