Build docker image on TravisCI

.dockerignore

@@ -11,6 +11,8 @@ db/*.sqlite3
 public/system/*
 coverage
 spec/tmp/*
+.travis.yml
+build_docker_image.sh
 
 # Copied from .gitignore
 *.rbc

.travis.yml

@@ -1,21 +1,41 @@
-sudo: false
+dist: trusty
+sudo: required
 language: ruby
+services:
+  - docker
+  - postgresql
 env:
   global:
     - APP_SECRET_TOKEN=b2724973fd81c2f4ac0f92ac48eb3f0152c4a11824c122bcf783419a4c51d8b9bba81c8ba6a66c7de599677c7f486242cf819775c433908e77c739c5c8ae118d
+    - secure: fzmSI7PQz6CJiIJNAtLAuy3TMmYCrK4bUil3uufh8JkHfpSGWOZt2i6fZ8yZ7pzwG5Aw7eZDgdFsNcEPJlgUDJhlwjg+QxCJslhotTQ9qI3Ieo85peWlU9dZFTOZcrCu0net/hY2FE4ZpTRb5r8A/DRv9ukA8P8tShhePCjckgg=
+    - secure: YjW07LpRSiC9xB6PhLQ4LVv2VphvF3IacV43PLfvzdagjy14yAwKXTUlSadgRaMbndB2dlCTe3YcY11a/xtX/2HDrF14NHPXQdL7e2dJUS3CDLSKZK26x1SOiaaDIrl1jO1xr5kOUd+564MAcNUzDTJQR4CrWl/5t6EwW4iYQVc=
+    - secure: RJiSTB9Anax6uL6mgYY1m42w71ohlsfIlVCk7ho6W19ZfSzQOfom0mBdeNwfgmXsMMnvnqatfxSg8k3C//pRtI/tjzAovHd7t1YIN1IkDNf9uSpzrIeXXc4fSHaVxnl512oI/eBQy9MSBjVZjrg5XEzLKKEGsZCai+ZKB4PS+nM=
   matrix:
     - DATABASE_ADAPTER=mysql2
     - DATABASE_ADAPTER=postgresql DATABASE_USERNAME=postgres
+    - DOCKER_IMAGE=cantino/huginn-single-process DOCKERFILE=docker/single-process/Dockerfile
+    - DOCKER_IMAGE=cantino/huginn DOCKERFILE=docker/multi-process/Dockerfile
+matrix:
+  exclude:
+    - env: DOCKER_IMAGE=cantino/huginn-single-process DOCKERFILE=docker/single-process/Dockerfile
+    - env: DOCKER_IMAGE=cantino/huginn DOCKERFILE=docker/multi-process/Dockerfile
+  include:
+    - rvm: 2.3.0
+      env: DATABASE_ADAPTER=mysql2 DOCKER_IMAGE=cantino/huginn-single-process DOCKERFILE=docker/single-process/Dockerfile
+    - rvm: 2.3.0
+      env: DATABASE_ADAPTER=mysql2 DOCKER_IMAGE=cantino/huginn DOCKERFILE=docker/multi-process/Dockerfile
 rvm:
 - 2.0.0
 - 2.1
 - 2.2
 - 2.3.0
 cache: bundler
 bundler_args: --without development production
-before_script:
-- bundle exec rake db:create db:migrate
-script: bundle exec rake
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install -y mysql-server
+script:
+  - if [ -z "${DOCKER_IMAGE}" ]; then bundle exec rake db:create db:migrate && bundle exec rake; else ./build_docker_image.sh; fi
 notifications:
   irc:
     channels:
@@ -29,4 +49,4 @@ notifications:
       - https://webhooks.gitter.im/e/5f92cc0393c6f1defe0d
     on_success: change  # options: [always|never|change] default: always
     on_failure: always  # options: [always|never|change] default: always
-    on_start: false     # default: false
+    on_start: never     # options: [always|never|change] default: never

build_docker_image.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -ev
+
+docker pull $DOCKER_IMAGE
+docker build -t $DOCKER_IMAGE -f $DOCKERFILE .
+
+if [[ -n "${DOCKER_USER}" && "${TRAVIS_PULL_REQUEST}" = 'false' && "${TRAVIS_BRANCH}" = "master" ]]; then
+  docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+  docker tag $DOCKER_IMAGE $DOCKER_IMAGE:$TRAVIS_COMMIT
+  docker push $DOCKER_IMAGE
+  docker push $DOCKER_IMAGE:$TRAVIS_COMMIT
+else
+  echo "Docker image are only pushed for builds of the master branch when Docker Hub credentials are present."
+fi