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Jan 30, 2018

S3 Website Ci Cd With Wercker

Here is our goal. Lets take the hugo project we built previously and hook it up with continuous integration and continuous deployment pipeline using wercker. Once you commit a change to github , Wercker will be informed , which in ur kicks off a pipeline of command to checkout , build and deploy your code. Here we are using build steps that are already available in Wercker market place. We will just write the steps to do deployment to s3. Cool , lets get started …

Part 1 , Git Setup

Client

Install git client (https://git-scm.com/downloads) and make sure the git command line works.

Commit project

cd to your hugo project root folder and issue the below commands

 > cd <to my project root folder>
 > git init
 > git add .
 > git commit -m "my first commit"

Commit Wercker file

Add the below file to the root folder of your project and commit. This file has the following 3 steps for the build pipeline.

  • setup hugo
  • setup awscli
  • push /public folder contents to the aws s3
  • invalidate cloudfront cache

wercker.yml

# This references a standard debian container from the
# Docker Hub https://registry.hub.docker.com/_/debian/
# Read more about containers on our dev center
# http://devcenter.wercker.com/docs/containers/index.html
box: debian
# You can also use services such as databases. Read more on our dev center:
# http://devcenter.wercker.com/docs/services/index.html
# services:
    # - postgres
    # http://devcenter.wercker.com/docs/services/postgresql.html

    # - mongo
    # http://devcenter.wercker.com/docs/services/mongodb.html

# This is the build pipeline. Pipelines are the core of wercker
# Read more about pipelines on our dev center
# http://devcenter.wercker.com/docs/pipelines/index.html
build:
    # Steps make up the actions in your pipeline
    # Read more about steps on our dev center:
    # http://devcenter.wercker.com/docs/steps/index.html
  steps:
    - arjen/hugo-build:
        version: "0.32.4"
        theme: Hugo-Octopress
        flags: --buildDrafts=true
    - odk211/install-awscli:
        key: $AWS_KEY
        secret: $AWS_SECRET
        region: $AWS_REGION
    - script:
        name: "sync build with s3"
        code: |
          aws s3 sync --acl "public-read" --sse "AES256" public/ s3://${BUCKET_NAME}/ --exclude 'images' --exclude 'js' --exclude 'downloads' --exclude 'css' --exclude 'post'
          aws s3 sync --cache-control "max-age=2592000" --acl "public-read" --sse "AES256" public/images/ s3://${BUCKET_NAME}/images/
          aws s3 sync --cache-control "max-age=2592000" --acl "public-read" --sse "AES256" public/css/ s3://${BUCKET_NAME}/css/
          aws cloudfront create-invalidation --distribution-id ${DISTRIBUTION_ID} --paths /index.html /

Part 2 , Setup project Wercker @ http://www.wercker.com/


  • Sign In the site using your github account
  • Click on Create Application and Select Github
  • Select your hugo project repository from the list
  • Let Wercker checkout code without using SSH key
  • Hit on Create to create the applicaton.

Set the following environment variables for your application in Wercker. These are the parameter for the wercker.yml file we checked in prior step.

  • AWS_KEY (I created a new IAM user with access to s3 and cloudfront, no console access)
  • AWS_SECRET
  • AWS_REGION
  • BUCKET_NAME
  • DISTRIBUTION_ID ( cloudfront distribution id)

Next time after your unit test your hugo site locally. Push into the github ,a build should kickoff and push /public hugo files into your S3 bucket.

Wercker Buid…