Adds GitHub Actions to verify that the trace-analytics example apps c…

…an still build Docker images.

Signed-off-by: David Venable <[email protected]>

.github/workflows/examples-trace-analytics.yml

@@ -0,0 +1,51 @@
+#
+# Builds the Trace Analytics Docker image(s).
+# This will build the full Docker image for the sample-app which includes
+# Python applications and installing onto the base Docker image.
+# It also build the Java sample app and corresponding Docker image to
+# ensure those continue to build.
+#
+
+name: Trace Analytics Sample App
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - 'examples/trace-analytics-sample-app/**'
+  pull_request:
+    paths:
+      - 'examples/trace-analytics-sample-app/**'
+  workflow_dispatch:
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Data Prepper
+        uses: actions/checkout@v2
+
+      - name: Build Sample App
+        working-directory: examples/trace-analytics-sample-app
+        run: docker build -t sample-app sample-app
+
+  java-app-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Set up JDK 17
+        uses: actions/setup-java@v1
+        with:
+          java-version: 17
+
+      - name: Checkout Data Prepper
+        uses: actions/checkout@v2
+
+      - name: Build Analytics Service
+        working-directory: ./examples/trace-analytics-sample-app/sample-app/analytics-service
+        run: ./gradlew build
+
+      - name: Build Analytics Service Docker image
+        working-directory: ./examples/trace-analytics-sample-app/sample-app/analytics-service
+        run: docker build -t analytics-service .