Dockerfile/npm: create a sudo user to run npm install

Question

Creating a `Dockerfile` to install a node framework that we've created (per my earlier post here): ``` # Install dependencies and nodejs RUN apt-get update RUN apt-get install -y python-software-properties python g++ make RUN add-apt-repository ppa:chris-lea/node.js RUN apt-get update RUN apt-get install -y nodejs # Install git RUN apt-get install -y git # Bundle app source ADD . /src # Create a nonroot user, and switch to it RUN /usr/sbin/useradd --create-home --home-dir /usr/local/nonroot --shell /bin/bash nonroot RUN /usr/sbin/adduser nonroot sudo RUN chown -R nonroot /usr/local/ RUN chown -R nonroot /usr/lib/ RUN chown -R nonroot /usr/bin/ RUN chown -R nonroot /src USER nonroot # Install app source RUN cd /src; npm install ``` The problem is that npm expects to be run not as root -- is there a way to chain a series of `sudo useradd` commands to create a temp user that has sudo privileges that I can then switch to `USER` to run the `npm install`? EDIT: updated the above, now gettin…

Accepted Answer

To solve your "Attempt to unlock" issue, try cleaning the npm cache first by issuing

```
npm cache clean
```

After that, run

```
npm install
```

Dockerfile/npm: create a sudo user to run npm install

Solution

Problem