Kubernetes + Travis CI/CD with DigitalOcean - https://medium.com/p/c0c4058b7734

.travis.yaml

# Use Dockerized infrastructure
sudo: false

language: generic
cache:
  bundler: true

git:
  depth: 10

node_js:
  - "9"

services:
  - docker

# only whitelisting these branches for branch-update, so that if any update or PR
# merged in these branches then build otherwise ignore pushes to same branches
# https://stackoverflow.com/q/31882306/2037323
branches:
  only:
    - development
    - production
    - master

before_install:
# we'll use Platform repo to hold Raz Platform wide common configs etc
  - sudo service mysql stop
  - pip install --user awscli
  - export PATH=$PATH:$HOME/.local/bin
  - export IMAGE_NAME=raz4/raz4api
  - export REPO_URL=123.dkr.ecr.eu-west-2.amazonaws.com # your AWS ECR repo
  - export GIT_REPO_NAME=$(echo $TRAVIS_REPO_SLUG  | grep -oE "[^/]+$")
  - export GIT_SHA_TS=$(git log -1 --format=%ai)
  - export GIT_SHA=$(git rev-parse HEAD)
  # i use a separate repo for secrets and config for all the projects
  - git clone https://[email protected]/username/repo.git ../Platform
install:
  - eval $(aws ecr get-login --region eu-west-2 --no-include-email)
  - sudo apt-get update && sudo apt-get -y install gettext-base
#  - docker pull $REPO_URL/$IMAGE_NAME:latest
  - docker-compose -f ./dev/docker-compose.yml up --remove-orphans -d
  - docker build --build-arg GIT_SHA=$GIT_SHA --build-arg GIT_SHA_TS="$GIT_SHA_TS" -t $REPO_URL/$IMAGE_NAME:latest .
  - docker tag $REPO_URL/$IMAGE_NAME:latest $REPO_URL/$IMAGE_NAME:$TRAVIS_COMMIT
  - docker tag $REPO_URL/$IMAGE_NAME:latest $REPO_URL/$IMAGE_NAME:$TRAVIS_BRANCH

script:
  # next two lines optional. I'm running my tests here
  - docker run --env-file ./dev/.test.env --net dev_raz_test_network $REPO_URL/$IMAGE_NAME npm run lint || travis_terminate 1
  - docker run --env-file ./dev/.test.env -e CODECOV_TOKEN=$CODECOV_TOKEN --net dev_raz_test_network $REPO_URL/$IMAGE_NAME npm run test:cov || travis_terminate 1
  - docker push $REPO_URL/$IMAGE_NAME:latest
  - docker push $REPO_URL/$IMAGE_NAME:$TRAVIS_COMMIT
  - docker push $REPO_URL/$IMAGE_NAME:$TRAVIS_BRANCH
  - cp -r ../Platform/k8s/. ../$GIT_REPO_NAME/dev

deploy:
  skip_cleanup: true
  provider: script
  script: ./dev/ci-deploy.sh
  on:
    all_branches: true
    condition: $TRAVIS_BRANCH =~ ^development|master|production$