# Picsolve Docker Builder

## Example config file `.docker-builder.yml`

```yaml
---
compose:
  app_name: hello_world
  clusters:
    - dev-1b.kubernetes.picsolve.net
    - dev-1c.kubernetes.picsolve.net
  containers:
    container1:
      image: docker.picsolve.net/image1
      environment:
        default:
          - COOL=${variable:cool}
          - TERM=xterm
          - "DB_USER=#{variable:db_username}"
          - "DB_PASSWORD=#{secret:database:password}"
          - "DB_NAME=#{stage}-#{app_name}"
        qa:
          - ENABLE_QA=1
        ci:
          - ENABLE_CI=1
      ports:
       - container_port: 9000
         service_port: 9000
      requirements:
        bucket:
          type: s3bucket
        database:
          type: postgres
  variables:
    default:
      cool: yes
      db_username: dbuser_default
    ci:
      db_username: dbuser_ci
    qa:
      db_username: dbuser_qa
docker:
  base_image: base-image-name
  image_name: dest-image-name
  build_environment:
    - TERM=xterm
  build_requirements:
    bucket:
      type: s3bucket
    database:
      type: postgres
  dockerfile_hooks:
    asset_build:
      early: |
        RUN touch /tmp/asset_build_earliest_time.txt
      late: |
        RUN touch /tmp/asset_build_latest_time.txt
    docker_build:
      early: |
        RUN touch /tmp/docker_build_earliest_time.txt
      late: |
        RUN touch /tmp/docker_build_latest_time.txt
scala:
  sbt:
    build_task:
      - clean
      - "universal:packageZipTarball"
```
## Usage examples

### Building

#### Scala

##### Scala app docker image

###### .docker-builder.yml

```yaml
docker:
  base_image: docker.picsolve.net/java-8
  image_name: docker.picsolve.net/my-app-name
```

###### build image

`bundle exec rake docker:build`

###### push to registry

`bundle exec rake docker:push`

###### for jenkins

`bundle exec rake docker:jenkins`

##### Library snapshot build

###### .docker-builder.yml

```yaml
docker:
  base_image: docker.picsolve.net/java-8
  image_name: null
  ssh_auth_forwarding: true
```

###### build & publish snapshot

`bundle exec rake scala:lib:snapshot`

###### build & publish release

`bundle exec rake scala:lib:release`

## Release process

This gem is released publicly to Rubygems repositories. To trigger a release you have to do the following steps:

```shell
# Ensure all the tests are running
bundle exec rake test_integration

# Release to rubygems (account information is in the Vault)
bundle exec rake release
```