I am recently getting this error when attempting to deploy my firebase functions. However, I didn't change any dependencies since last successful deploy...
✔ functions: all necessary APIs are enabled i functions: preparing functions directory for uploading... i functions: packaged functions (57.25 KB) for uploading ✔ functions: functions folder uploaded successfully i functions: updating Node.js 6 function firestoreEmail(us-central1)... i functions: updating Node.js 6 function apiMain(us-central1)... ✔ functions[apiMain(us-central1)]: Successful update operation. ⚠ functions[firestoreEmail(us-central1)]: Deployment error. Build failed: exit status 1 npm ERR! Linux 4.4.0-133-generic npm ERR! argv "/nodejs/bin/node" "/nodejs/bin/npm" "--global-style" "--production" "--fetch-retries=5" "--fetch-retry-factor=2" "--fetch-retry-mintimeout=1000" "install" "/workspace" npm ERR! node v6.14.0 npm ERR! npm v3.10.10 npm ERR! Hostname/IP doesn't match certificate's altnames: "Host: registry.npmjs.org. is not in the cert's altnames: DNS:a.sni.fastly.net, DNS:a.sni.global-ssl.fastly.net" npm ERR! npm ERR! If you need help, you may report this error at: npm ERR! <https://github.com/npm/npm/issues> npm ERR! Please include the following file with any support request: npm ERR! /workspace/npm-debug.log Functions deploy had errors. To continue deploying other features (such as database), run: firebase deploy --except functions Error: Functions did not deploy properly.
Firebase status page mentions that there is an NPM registry outage