Fix Playground CI Nightly job

.github/actions/setup-environment-action/action.yml

@@ -81,7 +81,7 @@ runs:
         cache-disabled: ${{ inputs.disable-cache }}
     - name: Install Go
       if: ${{ inputs.go-version != '' }}
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ inputs.go-version == 'default' && '1.25' || inputs.go-version }} # never set patch, to get latest patch releases.
         cache-dependency-path: $${{ inputs.disable-cache && '' || 'sdks/go.sum' }}

.github/workflows/beam_Playground_CI_Nightly.yml

@@ -57,7 +57,7 @@ jobs:
     runs-on: [self-hosted, ubuntu-20.04, highmem]
     name: "beam_Playground_CI_Nightly"
     strategy:
-      matrix: 
+      matrix:
         sdk: ["python", "java", "go"]
       fail-fast: false
     steps:
@@ -66,6 +66,7 @@ jobs:
         uses: ./.github/actions/setup-environment-action
         with:
           python-version: default
+          go-version: '1.25'
       - name: Install requirements
         run: |
           cd $BEAM_ROOT_DIR/playground/infrastructure
@@ -88,11 +89,11 @@ jobs:
           CONTAINER_ID=$(docker run -d -e PROTOCOL_TYPE=TCP apache/beam_playground-backend-${{ matrix.sdk }}:nightly)
           echo "container_id=$CONTAINER_ID" >> $GITHUB_ENV
       - name: Get Container IP
-        run: | 
+        run: |
           CONTAINER_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' ${{ env.container_id }})
           echo "container_ip=$CONTAINER_IP" >> $GITHUB_ENV
       - name: Run CI
-        env: 
+        env:
           SERVER_ADDRESS: ${{ env.container_ip }}:8080
           BEAM_EXAMPLE_CATEGORIES: ${{ env.BEAM_ROOT_DIR }}/playground/categories.yaml
           SDK: ${{ matrix.sdk }}

.test-infra/mock-apis/go.mod

@@ -20,9 +20,9 @@
 // directory.
 module github.com/apache/beam/test-infra/mock-apis
 
-go 1.23.0
+go 1.25.0
 
-toolchain go1.24.4
+toolchain go1.25.2
 
 require (
 	cloud.google.com/go/logging v1.8.1

playground/backend/containers/go/Dockerfile

@@ -69,7 +69,7 @@ COPY kafka-emulator/kafka-emulator.tar /opt/playground/backend/kafka-emulator/
 RUN cd /opt/playground/backend/kafka-emulator/ && tar -xvf kafka-emulator.tar && rm kafka-emulator.tar &&\
     mv kafka-emulator/*.jar . && rmdir kafka-emulator/ &&\
     mv beam-playground-kafka-emulator-*.jar beam-playground-kafka-emulator.jar
-RUN apt-get update && apt-get install -y openjdk-11-jre-headless
+RUN apt-get update && apt-get install -y openjdk-21-jre-headless
 
 # Create a user group `appgroup` and a user `appuser`
 RUN groupadd --gid 20000 appgroup \

playground/backend/containers/go/build.gradle

@@ -88,7 +88,7 @@ docker {
    buildArgs(
          ['BASE_IMAGE'   : project.rootProject.hasProperty(["base-image"]) ?
                project.rootProject["base-image"] :
-               "golang:1-bullseye",
+               "golang:1.25",
           'SDK_TAG'      : project.rootProject.hasProperty(["sdk-tag"]) ?
                 project.rootProject["sdk-tag"] : project.rootProject.sdk_version,
           'SDK_TAG_LOCAL': project.rootProject.sdk_version,