MOBILE-2837 Docker: Add a Dockerfile for easier testing and CI

.dockerignore

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+node_modules
+Dockerfile

Dockerfile

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+# This image is based on the fat node 11 image.
+# We require fat images as neither alpine, or slim, include git binaries.
+FROM node:11
+
+# Port 8100 for ionic dev server.
+EXPOSE 8100
+
+# Port 35729 is the live-reload server.
+EXPOSE 35729
+
+# Port 53703 is the Chrome dev logger port.
+EXPOSE 53703
+
+# MoodleMobile uses Cordova, Ionic, and Gulp.
+RUN npm install -g cordova ionic gulp && rm -rf /root/.npm
+
+WORKDIR /app
+
+COPY . /app
+
+# The setup script will handle npm installation, cordova setup, and gulp setup.
+RUN npm run setup && rm -rf /root/.npm
+
+# Provide a Healthcheck command for easier use in CI.
+HEALTHCHECK --interval=10s --timeout=3s --start-period=30s CMD curl -f http://localhost:8100 || exit 1
+
+CMD ["ionic", "serve", "-b"]

hooks/post_push

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+#!/bin/bash
+
+set -e
+
+if [ "integration" != "${SOURCE_BRANCH}" ]
+then
+    # A space-separated list of additional tags to place on this image.
+    additionalTags=(latest)
+
+    # Tag and push image for each additional tag
+    for tag in ${additionalTags[@]}; do
+        echo "Tagging {$IMAGE_NAME} as ${DOCKER_REPO}:${tag}"
+        docker tag $IMAGE_NAME ${DOCKER_REPO}:${tag}
+
+        echo "Pushing ${DOCKER_REPO}:${tag}"
+        docker push ${DOCKER_REPO}:${tag}
+    done
+fi