Articles, notes and random thoughts on Software Development and Technology
It’s been a while since I’ve written any notes about the Serverless framework, so here’s a few notes as a refresher on typical steps I use for local development. As a reminder to self, regions I typically deploy to are: AWS regions are listed here. To deploy: serverless deploy –region eu-west-2 To invoke local: serverless …
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Attempting a ‘serverless remove’ on a deployed error, I got this unexpected error I haven’t seen before: An error occurred: xyzRole – Cannot delete entity, must detach all policies first. A quick Google found an issue with the same error and an explanation. There is another policy attached to this Lambda that was not added …
If you’re using ‘serverless invoke’ to call deployed Lambdas, you can pass params to the Lambda with the –data option : –data ‘{ “queryStringParameters”: {“paramname”:”value”}}’ This is the equivalent of a GET request to /api-gw-endpoint-url/stagename/resourcename?paramname=value
AWS Lambdas can be packaged and deployed using a Docker image, described in the docs here. Serverless Framework makes building and deploying a Docker based Lambda incredibly simple. If you have a simplest Dockerfile like this (from the docs here): FROM public.ecr.aws/lambda/nodejs:14 # Assumes your function is named “app.js”, and there is a package.json file …
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