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README.md

Note

This is a fork from mhart/alpine-node using rpi alpine

Minimal Node.js Docker Images

Versions v7.2.0, v6.9.1. built on Alpine Linux.

All versions use the one fulhack/rpi-alpine-node repository, but each version aligns with the following tags (ie, fulhack/rpi-alpine-node:<tag>). The sizes are for the unpacked images as reported by Docker – compressed sizes are about 1/3 of these:

  • Full install built with npm:
    • latest, 7, 7.2, 7.2.0 – 51.07 MB (npm 3.10.9)
    • 6, 6.9, 6.9.1 – 46.71 MB (npm 3.10.8)

Examples

$ docker run fulhack/rpi-alpine-node node --version
v7.2.0

$ docker run fulhack/rpi-alpine-node:6 node --version
v6.9.1

Example Dockerfile for your own Node.js project

If you don't have any native dependencies, ie only depend on pure-JS npm modules, then my suggestion is to run npm install locally before running docker build (and make sure node_modules isn't in your .dockerignore) – then you don't need an npm install step in your Dockerfile and you don't need npm installed in your Docker image.

FROM fulhack/rpi-alpine-node:6

WORKDIR /src
ADD . .

# If you have native dependencies, you'll need extra tools
# RUN apk add --no-cache make gcc g++ python

# If you need npm, don't use a base tag
# RUN npm install

EXPOSE 3000
CMD ["node", "index.js"]

Caveats

As Alpine Linux uses musl, you may run into some issues with environments expecting glibc-like behavior – especially if you try to use binaries compiled with glibc. You should recompile these binaries to use musl (compiling on Alpine is probably the easiest way to do this).

Inspired by:

About

Minimal Node.js Docker Images built on Alpine Linux for Raspberry Pi

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