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Publishing Svelte Components/Deploying Svelte Apps

Packaging Svelte Components for npm

to be written

Dockerize a Svelte App

Let's pull down the basic svelte template using degit.

npx degit sveltejs/template svelte-docker
cd svelte-docker

Next, we need to create a Dockerfile in the root of our project.

FROM node:12-alpine


# copy files and install dependencies
COPY . ./
RUN npm install
RUN npm run build


CMD ["npm", "start"]

You can now build and run your docker image.

docker build . -t svelte-docker
docker run -p 5000:5000 svelte-docker

Open up your browser at localhost:5000 and you should see your svelte app running!


On certain operating systems your docker containers IP may not be mapped to localhost on your host machine. This means your app won't be served at localhost. To see which IP your container is mapped to on your host machine, run your container then execute the following command:

docker inspect <container-id>

In the output, look at the HostConfig for the PortBindings object.

"Ports": {
  "5000/tcp": [
      "HostIp": "",
      "HostPort": "5000"

Update your npm start command to serve your assets on the host IP.

"scripts": {
  "build": "rollup -c",
  "dev": "rollup -c -w",
  "start": "sirv public --host"

Your dockerized svelte app should now be up and running.

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