Contributing guidelines

• I've read the contributing guidelines and wholeheartedly agree

I've found a bug, and:

• The documentation does not mention anything about my problem
• There are no open or closed issues that are related to my problem

Description

I have GH action where I update the .npmrc file to include authentication, this file is existing prior to me updating it and it contains placeholder info.

Example:
original . npmrc

foo:=_authToken=

updated . npmrc in step prior to build

foo:=_authToken=123

When I run build with . as a context, and use COPY . . the contents of the .npmrc within a build is original file as opposed to updated one.

Since I have used @master Ive tried with @v6.3.0 and @v5.13.0, it fails on 6 and passes with 5 version.

Expected behaviour

.npmrc contents are:

foo:=_authToken=123

Actual behaviour

.npmrc contents are:

foo:=_authToken=

Repository URL

No response

Workflow run URL

No response

YAML workflow

...
      - name: Update npmrc
        run: echo '//npm.pkg.github.com:_authToken=${{ secrets.GHRC_REPO_TOKEN }}' > .npmrc

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHRC_REPO_TOKEN }}

      - name: Build and push
        env:
          IMAGE: ${{ env.IMAGE_NAME }}
          REPO: ${{ github.repository }}
          TAG: ${{ needs.opts.outputs.tag }}
          META_TAG: ${{ needs.opts.outputs.metaTag }}
        uses: docker/bake-action@v6.3.0
        with:
          targets: default
          push: false
...

Workflow logs

No response

BuildKit logs

Additional info

FROM node:18.20.4-alpine As builder

WORKDIR /app
COPY . .

# added to debug the issue
RUN cat .npmrc

RUN npm ci
RUN npm run build
RUN rm .npmrc

EXPOSE 3000
CMD [ "npm", "start" ]