.gitlab-ci.yml

image: docker:dind

stages:
  - build-and-push
  - deploy-to-swarm

build-server:
    stage: build-and-push
    script:
        - docker build -f dockerfile.server . --tag=$DOCKER_REGISTRY/$DOCKER_USERSPACE/quest-server
        - docker login -u $DOCKER_USER -p $DOCKER_PW $DOCKER_REGISTRY
        - docker push $DOCKER_REGISTRY/$DOCKER_USERSPACE/quest-server

build-frontend:
    stage: build-and-push
    script:
        - docker build -f dockerfile . --tag=$DOCKER_REGISTRY/$DOCKER_USERSPACE/quest-frontend
        - docker login -u $DOCKER_USER -p $DOCKER_PW $DOCKER_REGISTRY
        - docker push $DOCKER_REGISTRY/$DOCKER_USERSPACE/quest-frontend

deploy:
    stage: deploy-to-swarm
    script:
        - "command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )"
        - eval $(ssh-agent -s)
        - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
        - mkdir -p ~/.ssh
        - chmod 700 ~/.ssh
        - echo "$ALL_SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
        - chmod 644 ~/.ssh/known_hosts
        - ssh $SSH_USER@$TARGET_HOST docker login $DOCKER_REGISTRY -u $DOCKER_USER -p $DOCKER_PW
        - ssh $SSH_USER@$TARGET_HOST "docker network create -d overlay external" || echo "External Network already there, skipping!" 
        - ssh $SSH_USER@$TARGET_HOST "docker network create -d overlay --internal internal" || echo "Internal Network already there, skipping!" 
        - ssh $SSH_USER@$TARGET_HOST "docker stack rm rdr2quest" || echo "Docker stack not there, skipping!" 
        - scp swarm.yml $SSH_USER@$TARGET_HOST:swarm.yml
        - ssh $SSH_USER@$TARGET_HOST "DOCKER_REGISTRY=$DOCKER_REGISTRY DOCKER_USERSPACE=$DOCKER_USERSPACE docker stack deploy --resolve-image always --with-registry-auth rdr2quest -c swarm.yml"