CODEWITHSUNDEEP
node.jsdockeralpine-linux
jabbermonkey
jabbermonkey

Reputation: 1820

Node.js modules not building in Docker

I'm building this dockerfile using docker-compose and I need it to build native modules in docker (not just copy them from local). This only works when my local modules are built (npm install) As soon as I delete them this runs but there is no node_modules directory and it gives an error: Error: Cannot find module 'express'

FROM mhart/alpine-node:6
MAINTAINER Me

COPY package.json index.js lib /app/

WORKDIR /app

RUN apk add --no-cache make gcc g++ python && \
  addgroup -S app && adduser -S -g app app && \
  npm install && \
  npm cache clean && \
  apk del make gcc g++ python

USER app

And here is the app directory:

.dockerignore
.eslintignore
.eslintrc.js
Dockerfile
docker-compose.yml
index.js
lib
npm-debug.log
package.json

Upvotes: 0

Views: 712

Answers (1)

jabbermonkey
jabbermonkey

Reputation: 1820

The problem was with the way docker binds the app folder from the host to the container. The second line in the volume section from my docker-compose.yml fixed it.

volumes:
  - .:/app
  - /app/node_modules

Upvotes: 1

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