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One solution is to add the corporate root certificate to the Docker container's trust store. This can be achieved by:

1. Obtaining the corporate root certificate (often available from the IT department)

2. Creating a directory for the certificates in the Dockerfile:

   RUN mkdir -p /usr/local/share/ca-certificates/corporate
   

3. Copying the root certificate into the directory:

   COPY corporate-root.crt /usr/local/share/ca-certificates/corporate/
   

   Note: replace "corporate-root.crt" with the actual name of the certificate file.

4. Updating the certificate trust store:

   RUN update-ca-certificates
   

   This will update the certificates in /etc/ssl/certs/ca-certificates.crt.

This will ensure that the root certificate is trusted by the Docker container and npm should no longer have issues obtaining the issuer certificate.