Haskell in Docker using Travis CI

.travis.yml

sudo: required
services:
  - docker
language: c
addons:
  apt:
    packages:
      - libgmp-dev
env:
  global:
    secure: FAKE # You should `travis` to set the environment variables used by these scripts.
before_install: bash before-install.sh
before_script: mkdir dist
script: stack test --no-terminal --install-ghc --haddock --coverage --local-bin-path dist --copy-bins
cache:
  directories:
    - "$HOME/.stack"
    - .stack-work
after_success: bash after-success.sh

after-success.sh

#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

docker build -t myapp .

# If this is not a pull request, update the branch's docker tag.
if [ $TRAVIS_PULL_REQUEST = 'false' ]; then
  docker tag myapp quay.io/myorg/myapp:${TRAVIS_BRANCH/\//-} \
    && docker push quay.io/myorg/myapp:${TRAVIS_BRANCH/\//-};

  # If this commit has a tag, use on the registry too.
  if ! test -z $TRAVIS_TAG; then
    docker tag myapp quay.io/myorg/myapp:${TRAVIS_TAG} \
      && docker push quay.io/myorg/myapp:${TRAVIS_TAG};
  fi
fi

before-install.sh

#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

mkdir -p ~/.local/bin

export PATH=$HOME/.local/bin:$PATH

curl -L https://www.stackage.org/stack/linux-x86_64 \
  | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'

stack setup
stack install hscolour

docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD" \
quay.io

Dockerfile

FROM debian:jessie

MAINTAINER Eduardo Trujillo <ed@chromabits.com>

RUN apt-get update && apt-get install -y libcurl4-gnutls-dev libgmp-dev

COPY dist/myapp /usr/local/bin/myapp

EXPOSE 80

ENTRYPOINT ["/usr/local/bin/myapp"]