npm ci is encountering a problem with conflicting peer dependencies

I'm currently in the process of installing dependencies from a Dockerfile using the command RUN npm ci. However, I keep encountering an error that says 

Conflicting peer dependencies. Fix the upstream dependency conflict, or retry this command with --force, or --legacy-peer-deps to accept an incorrect (and potentially broken) dependency resolution.
. In my local project, I was able to resolve this by running npm install --force. How can I address this issue within the Docker environment while building and executing the RUN npm ci command?

My understanding is that npm ci should gather dependencies from either the package-lock.json or npm-shrinkwrap.json files. Despite this, the problem persists. I am unsure of what is causing it.

node.jsdockernpmnpm-installnpm-ci

Answer №1

There have been significant changes introduced in the latest version update of [email protected]. This includes a minor version bump but with major breaking changes.

The update has altered the behavior of package installation processes, affecting both npm install and npm ci.

Prior to this update, the npm ci command would simply install whatever was specified in the lock file. However, it now validates that both the package-lock.json and package.json are in a consistent state.

For more information on this issue, please refer to the following links: github.com/npm/cli/issues/4998, github.com/npm/cli/issues/5113, and github.com/npm/cli/issues/4664

Answer №2

I've recently encountered the same issue with pipe and found it quite intriguing. I've always had peer dependency conflicts, but they only surfaced during npm installs. The workaround I discovered is to execute the script using the --legacy-peer-deps flag, which bypasses the peer dependency check. Any required peer dependencies can then be manually installed in the package.json file.

Answer №3

Running npm i --force command successfully resolved my issue.

I encountered the following message after running the command: added 482 packages, and audited 483 packages in 3 minutes. There are some unresolved issues that need to be reviewed, which may involve selecting a different dependency.

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