[Docker Course 4-13] Issue on npm install step

Docker
2

Hi,

here the solution:

  • since app user don’t have permissions on app folder and files that were created by root user,
    you need to give it after created user and before switch to app user

  • here the command : RUN chown -R app /app ,
    where here you are changing the owner of the folder and the files that in the future are created.

here final docker file:


FROM node:14.16.0-alpine3.13

WORKDIR /app/

# chown -R change the owner of app folder to app

# the node_modules will be owned by app too

RUN addgroup app && adduser -S -G app app && chown -R app /app

USER app

# When using COPY with more than one source file, the destination must be a directory and end with a /

COPY package*.json ./

RUN npm i

# When using COPY with more than one source file, the destination must be a directory and end with a /

COPY . ./

ENV API_URL=http://api.app.test

EXPOSE 3000

CMD [ "npm", "start" ]
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