My Docker Setup For GatsbyJS (and NextJS)

My Docker Setup For GatsbyJS (and NextJS)

Update: Alpine made a couple changes that affect this post, and a helpful comment below will clear up the issue(s) caused from that. Thanks Jonathan! I’ve also fixed the example code.

Update #2: It seems that Hot Module Reloading is currently borked with this in Windows. I’ll post an update if/when that is fixed!

Update #3: If you’re still experiencing issues, another comment below might get you back on track: HERE

Docker is Fantastic

I’m probably late to the party on this one, but I recently started using Docker as a part of my development workflow. I absolutely love it, and I feel that all developers should at least tinker with a basic tutorial somewhere. Trust me, it’s a rabbit hole worth exploring!

But… There Was a Minor Hitch

While going through a some of my recent Gatsby and NextJS projects this week to “Dockerize” them, I noticed that there didn’t seem to be much information readily available for making that happen.

Gatsby does offer a Docker setup within their repo (based on alpine:edge), but to be blunt: it seemed needlessly complicated and vague, and I could not make it work for my purposes. (I think it’s only meant to serve a site, post-build.)

So, I decided to figure out how to create a custom one from an official node:alpine (latest) image… just something to use for a quick dev environment setup regardless of which computer I’m using. (If I wanted to deploy somewhere other than Netlify, I could quickly add an Nginx image/service and a super basic conf file.)

Problem Solved!

After hours of learning, research, and experimenting (and possibly some frustration), I present you with my version of a working Dockerfile! It will create a fully functional Docker image that installs all the required packages in Apline Linux (latest) for building Gatsby (and NextJS) sites and apps.

(Note: For NextJS sites, I simply change the final CMD and the port(s) to whatever I’m using for the site/app… usually 8080.)

FROM node:alpine

# Also exposing VSCode debug ports
EXPOSE 8000 9929 9230

  apk add --no-cache python make g++ && \
  apk add vips-dev fftw-dev --update-cache \
  --repository \
  --repository \
  && rm -fR /var/cache/apk/*

RUN npm install -g gatsby-cli

COPY ./package.json .
RUN yarn install && yarn cache clean
COPY . .
CMD ["yarn", "develop", "-H", "" ]


(Note the setting of GATSBY_WEBPACK_PUBLICPATH – this seemed to fix any HMR issues I was having when editing code.)

version: '3'
      context: .
      - "8000:8000"
      - "9929:9929"
      - "9230:9230"
      - /app/node_modules
      - .:/app
      - NODE_ENV=development

You’ll probably want to throw a .dockerignore file into the project directory too, to ignore things like ./node_modules, ./cache, ./public, any .DS_Store files, etc. (Much like a .gitignore file.)

To run it, from the project’s root directory run:

$ docker-compose up --build

After running that, I’m ready to work… whether I’m on my Macbook Pro or on my Windows desktop. Hopefully this helps you too!

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