feat(docker): add docker via Circle CI (#212) r=jbuck,seanmonstar

Fixes #208

Dockerfile

@@ -1,11 +0,0 @@
-FROM ubuntu:trusty
-
-RUN DEBIAN_FRONTEND=noninteractive apt-get -y update && DEBIAN_FRONTEND=noninteractive apt-get -y install nodejs npm git
-RUN ln -sf /usr/bin/nodejs /usr/local/bin/node
-
-RUN useradd --home-dir /opt/fxa fxa
-USER fxa
-
-WORKDIR /opt/fxa
-
-CMD npm start

Dockerfile-build

@@ -0,0 +1,19 @@
+FROM mhart/alpine-node:4.8.0
+
+RUN addgroup -g 10001 app && \
+    adduser -D -G app -h /app -u 10001 app
+WORKDIR /app
+
+# S3 bucket in Cloud Services prod IAM
+ADD https://s3.amazonaws.com/dumb-init-dist/v1.2.0/dumb-init_1.2.0_amd64 /usr/local/bin/dumb-init
+RUN chmod +x /usr/local/bin/dumb-init
+ENTRYPOINT ["/usr/local/bin/dumb-init", "--"]
+
+USER app
+
+COPY npm-shrinkwrap.json npm-shrinkwrap.json
+COPY package.json package.json
+
+RUN npm install --production && rm -rf ~app/.npm /tmp/*
+
+COPY . /app

Dockerfile-test

@@ -0,0 +1,2 @@
+FROM fxa-auth-db-mysql:build
+RUN npm install

README.md

@@ -1,6 +1,7 @@
 # Firefox Accounts database service
 
 [![Build Status][ci-status-icon]][ci-status]
+[![CircleCI](https://circleci.com/gh/mozilla/fxa-auth-db-mysql.svg?style=svg)](https://circleci.com/gh/mozilla/fxa-auth-db-mysql)
 
 Node.js-based database service
 for Firefox Accounts.
@@ -171,26 +172,6 @@ mysql -u root -p -e 'DROP DATABASE fxa'
 It will be recreated automatically
 next time you run `npm start`.
 
-### Docker-based development
-
-To run the MySQL backend
-inside a container,
-use the following commands:
-
-```sh
-docker build --rm -t mozilla/fxa_auth_db_mysql .
-docker run --rm -v $PWD:/opt/fxa mozilla/fxa_auth_db_mysql npm install
-docker run -it --rm -v $PWD:/opt/fxa --net=host mozilla/fxa_auth_db_mysql
-```
-
-This method shares the codebase
-into a container
-and runs the MySQL backend inside it.
-You can `npm install`
-and edit code
-in your normal desktop environment
-and the changes will be picked up automatically.
-
 ## License
 
 [MPL 2.0][license]

circle.yml

@@ -0,0 +1,52 @@
+# These environment variables must be set in CircleCI UI
+#
+# DOCKERHUB_REPO - docker hub repo, format: <username>/<repo>
+# DOCKER_EMAIL   - login info for docker hub
+# DOCKER_USER
+# DOCKER_PASS
+#
+machine:
+  services:
+    - docker
+    - mysql
+
+dependencies:
+  override:
+    - docker info
+
+    - >
+        printf '{"version":{"hash":"%s","version":"%s","source":"https://github.com/%s/%s","build":"%s"}}\n'
+        "$CIRCLE_SHA1"
+        "$CIRCLE_TAG"
+        "$CIRCLE_PROJECT_USERNAME"
+        "$CIRCLE_PROJECT_REPONAME"
+        "$CIRCLE_BUILD_URL"
+        | tee config/version.json version.json
+
+    - docker build -f Dockerfile-build -t fxa-auth-db-mysql:build .
+    - docker build -f Dockerfile-test -t fxa-auth-db-mysql:test .
+
+test:
+  override:
+    - docker run --net="host" fxa-auth-db-mysql:test npm test
+
+# appropriately tag and push the container to dockerhub
+deployment:
+  hub_latest:
+    branch: "master"
+    commands:
+      - "[ ! -z $DOCKERHUB_REPO ]"
+      - docker login -e "$DOCKER_EMAIL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
+      - "docker tag fxa-auth-db-mysql:build ${DOCKERHUB_REPO}:latest"
+      - "docker push ${DOCKERHUB_REPO}:latest"
+
+  hub_releases:
+    # push all tags
+    tag: /.*/
+    commands:
+      - "[ ! -z $DOCKERHUB_REPO ]"
+      - docker login -e "$DOCKER_EMAIL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
+      - "echo ${DOCKERHUB_REPO}:${CIRCLE_TAG}"
+      - "docker tag fxa-auth-db-mysql:build ${DOCKERHUB_REPO}:${CIRCLE_TAG}"
+      - "docker images"
+      - "docker push ${DOCKERHUB_REPO}:${CIRCLE_TAG}"