Docker Swarm deployments with Semaphore

Why use a Continuous Integration and Deployment service?

  • Gitlab-CI took 6–7 minutes to complete my tasks
  • Semaphore did the same work in 2.5 minutes

How to Set Up CI/CD with Semaphore

Connect Semaphore to your code for automatic jobs

How to set up a secure connection between your manager server and Semaphore

ssh-keygen -t rsa

How to handle environment variables

How to set up and run integration tests automatically with MongoDB

# npm run test
cross-env NODE_ENV=test && mocha test/ --recursive
"mongodb": process.env.DATABASE_URL || "mongodb://localhost:27017/feathers-vue"

How to write our Docker Swarm deployment scripts

FROM node:8-alpine
RUN apk add --update git && rm -rf /tmp/* /var/cache/apk/*
WORKDIR /var/www/
COPY package.json /var/www/
ENV NODE_ENV=production
COPY package.json /var/www/package.json
RUN npm install
COPY public/ /var/www/public
COPY config/ /var/www/config
COPY server/ /var/www/server
EXPOSE 80CMD ["npm", "run", "production"]
# npm run production
cross-env NODE_ENV=production node server/
docker pull $CACHE_IMAGE:$BRANCH_NAME || true
docker build -f $DOCKER_FILE --cache-from $CACHE_IMAGE:$BRANCH_NAME --tag $CACHE_IMAGE:$BRANCH_NAME .
ssh-keyscan -H $DEPLOY_SERVER_URL >> ~/.ssh/known_hostsscp -r environment.env .env $COMPOSE_FILE root@$DEPLOY_SERVER_URL:~/ssh root@$DEPLOY_SERVER_URL "env $(cat .env | grep ^[A-Z] | xargs) docker stack deploy -c $COMPOSE_FILE --with-registry-auth f"
docker stack deploy -c $COMPOSE_FILE -with-registry-auth f

How to set up notifications when a build passes or fails with Slack or email

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