added ENV to Dockerfile, also deployment to circleci

.circleci/circle.yml

@@ -1,20 +0,0 @@
-version: 2
-jobs:
-  build:
-    working_directory: ~/app
-    docker:
-      - image: circleci/node:8
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-{{ checksum "package-lock.json" }}
-      - run:
-          name: npm-install
-          command: npm install
-      - save_cache:
-          key: dependency-cache-{{ checksum "package-lock.json" }}
-          paths:
-            - .node_modules
-      - run:
-          name: test
-          command: npm test

Dockerfile

@@ -5,5 +5,7 @@ WORKDIR /app
 RUN mkdir static
 RUN npm install
 
-EXPOSE 1443
+ENV PORT=1443
+EXPOSE $PORT
+
 CMD ["npm", "start"]

circle.yml

@@ -2,3 +2,10 @@ machine:
   node:
     version: 8.0.0
 
+deployment:
+  latest:
+    branch: master
+    commands:
+    - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+    - docker build . -t mozilla/portal:latest
+    - docker push mozilla/portal:latest

docs/docker.md

@@ -1,9 +1,10 @@
 Environment Variables:
 
+PORT - port the server will listen on (defaults to 1443)
 P2P_S3_BUCKET - the S3 bucket name
 P2P_REDIS_HOST - host name of the redis server
 NODE_ENV - production
 
 Example
 
-docker run --net=host -e 'NODE_ENV=production' -e 'P2P_S3_BUCKET=testpilot-p2p-dev' -e 'P2P_REDIS_HOST=dyf9s2r4vo3.bolxr4.0001.usw2.cache.amazonaws.com'
+docker run --net=host -e 'NODE_ENV=production' -e 'P2P_S3_BUCKET=testpilot-p2p-dev' -e 'P2P_REDIS_HOST=dyf9s2r4vo3.bolxr4.0001.usw2.cache.amazonaws.com' mozilla/portal:latest

server/config.js

@@ -20,7 +20,7 @@ const conf = convict({
     format: 'port',
     default: 1443,
     arg: 'port',
-    env: 'P2P_LISTEN_PORT'
+    env: 'PORT'
   },
   env: {
     format: ['production', 'development', 'test'],