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Deploy to AWS S3 only changed lambda functions



I am using serverless deploy to deploy my code to AWS S3. I want to deploy only changed lambda function using bitbucket pipelines not all the lambda functions.

How can I do this ?

3 answers

We came up with the following step to build just changed folders in our monorepo:


Assuming the folder structure is:

- src/
- folder1-etl-handler-py/
- folder2-etl-handler-py/


- step:
name: Build and package
- apt-get update && apt-get install -y zip awscli
- echo "Building and packaging lambda function in $AWS_DEFAULT_REGION"
- git diff --name-only HEAD HEAD~1 | grep "src/folder1-etl-handler-py" && (cd src/folder1-etl-handler-py && ./
- git diff --name-only HEAD HEAD~1 | grep "src/folder2-etl-handler-py" && (cd src/folder2-etl-handler-py && ./

@Halyna Berezovska your suggestion doesn't seem to answer @Vipul_Panchal question. If the repository has multiple functions how do you deploy those who has been affected.

0 votes
Halyna Berezovska
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
Nov 13, 2020

@Vipul_Panchal you can use aws s3 sync command or just use the appropriate pipe (look at

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