[HOWTO] Regenerate npm-shrinkwrap after updating a module in package.json

[lakshmi-kannan]

• Install node version as specified in engine section in package.json

• git clone git@github.com:StackStorm/st2chatops.git

• npm install

• Edit package in package.json and set it to new version

• npm update $package_name

• npm shrinkwrap

[christopherjbaker]

Instead of updating package.json manually and npm update $package_name, I think you could just npm install $package_name@$package_version

[arm4b]

To have the environment fully reproducible, running it in existing Docker images from st2chatops repo may help:

docker-compose run xenial npm install --production
# example of updating only specific hubot-stackstorm package
docker-compose run xenial npm update hubot-stackstorm
docker-compose run xenial npm shrinkwrap

cat npm-shrinkwrap.json

It's also possible to do this in CircleCI itself with SSH debug builds if required environment is absent locally.