Merge pull request #92 from georg-schwarz/travis-ci

Dockerization and TravisCI

.travis.yml

@@ -0,0 +1,24 @@
+language: bash
+
+services:
+  - docker
+
+env:
+  global:
+    - IMAGE_NAME=${DOCKERHUB_USER}/wahlzeit
+    - IMAGE_NAME_TAGGED=${DOCKERHUB_USER}/wahlzeit:${TRAVIS_TAG}
+
+script:
+  - docker build -t ${IMAGE_NAME} .
+
+deploy:
+  - provider: script
+    script: 
+      docker login -u ${DOCKERHUB_USER} -p ${DOCKERHUB_PW} && docker push ${IMAGE_NAME}
+    on:
+      branch: master
+
+  - provider: script
+    script: docker login -u ${DOCKERHUB_USER} -p ${DOCKERHUB_PW} && docker tag ${IMAGE_NAME} ${IMAGE_NAME_TAGGED} && docker push ${IMAGE_NAME_TAGGED}
+    on:
+      tags: true

Dockerfile

@@ -0,0 +1,42 @@
+#########################################################
+# First stage: image to build the application           #
+#########################################################
+FROM adoptopenjdk/openjdk8-openj9:alpine-slim as builder
+
+WORKDIR /builder
+
+# Copy Gradle file
+COPY *.gradle /builder/
+
+# Copy sources
+COPY src /builder/src
+
+# Copy Gradle resources
+COPY gradle /builder/gradle
+COPY gradlew /builder/gradlew
+
+# Test project
+RUN ./gradlew test
+
+# Build project (downloads Appengine SDK + builds + explode WAR)
+RUN ./gradlew appengineExplodeApp
+
+#########################################################
+# Second stage: image to run the application            #
+#########################################################
+FROM adoptopenjdk/openjdk8-openj9:alpine-slim
+
+RUN mkdir /app
+WORKDIR /app
+
+# Pull the built files from the builder container
+COPY --from=builder /builder/build /app/build
+
+# Pull the Appengine SDK from the builder container
+COPY --from=builder /root/.gradle/appengine-sdk/appengine-java-sdk-1.9.76/ /root/.gradle/appengine-sdk/appengine-java-sdk-1.9.76/
+
+# Expose port
+EXPOSE 8080
+
+# Do the same as ./gradlew appengineRun for starting the dev server
+ENTRYPOINT ["/opt/java/openjdk/bin/java", "-Xdebug", "-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000", "-Dfile.encoding=UTF-8", "-classpath", "/root/.gradle/wrapper/dists/gradle-4.10-bin/bg6py687nqv2mbe6e1hdtk57h/gradle-4.10/lib/gradle-launcher-4.10.jar:/root/.gradle/appengine-sdk/appengine-java-sdk-1.9.76/lib/appengine-tools-api.jar", "com.google.appengine.tools.development.DevAppServerMain", "--property=kickstart.user.dir=/app", "--no_java_agent", "--port=8080", "--address=localhost", "--allow_remote_shutdown", "/app/build/exploded-app"]

README.md

@@ -40,11 +40,17 @@ For more information, please see http://github.com/dirkriehle/wahlzeit and http:
 
 
 ### Run Wahlzeit inside a Docker container
-  1. Run ```./runInDocker.sh appengineRun```
-  2. Or with another Gradle task as argument, e.g. ```./runInDocker.sh test```   
+  1. Build the Docker image ``docker-compose build`` or ``docker build -t wahlzeit .``
+  2. Run the Docker container ``docker-compose up`` or ``docker run --network=host -p 8080:8080 wahlzeit``
   3. Open [``http://localhost:8080``](http://localhost:8080) to try out Wahlzeit inside a Docker container
 
-
+### Activate Travis CI
+  1. Sign in to Travis CI
+  2. Activate the repository
+  3. Add the following environment variables: `DOCKERHUB_USER` and `DOCKERHUB_PW` matching your credentials for DockerHub
+
+Every pushed commit on master will publish and overwrite the `wahlzeit:latest` image. Every tagged commit will publish and overwrite the `wahlzeit:{tag-name}` image.
+
 ### Deploy Wahlzeit to Google App Engine
 
 **Create a Google App Engine instance:**

docker-compose.yml

@@ -0,0 +1,10 @@
+version: '3.7'
+
+services:
+  wahlzeit:
+    image: wahlzeit
+    build:
+      context: .
+    ports:
+      - "8080:8080"
+    network_mode: host

simple.Dockerfile

@@ -0,0 +1,22 @@
+FROM adoptopenjdk/openjdk8-openj9:alpine-slim as builder
+
+# Copy Gradle file
+COPY *.gradle /app/
+
+# Copy sources
+COPY src /app/src
+
+# Copy Gradle resources
+COPY gradle /app/gradle
+COPY gradlew /app/gradlew
+
+WORKDIR /app
+
+# Test project
+RUN ./gradlew test
+
+# Expose port
+EXPOSE 8080
+
+# Build & Run project (downloads Appengine SDK + builds + starts Dev Server)
+CMD ./gradlew appengineRun