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https://github.com/micmurawski/poetry-plugin-lambda-build

Poetry plugin for building packages for serverless functions deployments like AWS Lambda, Google App Engine, Azure App Service, and more...
https://github.com/micmurawski/poetry-plugin-lambda-build

aws aws-lambda azure-functions build build-tool ci google-engine lambda package poetry python serverless serverless-functions zip

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Poetry plugin for building packages for serverless functions deployments like AWS Lambda, Google App Engine, Azure App Service, and more...

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# Poetry Plugin Lambda Build

The plugin for poetry that allows you to build zip packages suited for serverless deployment like AWS Lambda, Google App Engine, Azure App Service, and more...

Additionally it provides docker container support for build inside container

[![Test](https://github.com/micmurawski/poetry-plugin-lambda-build/actions/workflows/test.yml/badge.svg)](https://github.com/micmurawski/poetry-plugin-lambda-build/actions/workflows/test.yml)

## Installation

```bash
poetry self add poetry-plugin-lambda-build
```

## Execution

Configure `pyproject.toml` with the following configuration. This is example for [AWS Lambda configuration](#aws)

```.toml
[tool.poetry-plugin-lambda-build]
docker-image = "public.ecr.aws/sam/build-python3.11:latest-x86_64"
docker-network = "host"
layer-artifact-path = "artifacts/layer.zip"
layer-install-dir = "python"
function-artifact-path = "artifacts/function.zip"
```

Running ...

```bash
poetry build-lambda
```
will build function and layer packages for AWS Lambda deployment inside `public.ecr.aws/sam/build-python3.11:latest-x86_64` container.

```
artifacts
├── function.zip
└── layer.zip
```

Running ...

```bash
poetry build-lambda docker-image="public.ecr.aws/sam/build-python3.12:latest-x86_64"
```

will override `docker-image` value in config

## Configuration Examples
### AWS Lambda - all in one - dependencies and function in the same zip package - Default

```.toml
[tool.poetry-plugin-lambda-build]
package-artifact-path = "package.zip"
```

### AWS Lambda - all in one - layer package
```.toml
[tool.poetry-plugin-lambda-build]
package-install-dir = "python"
package-artifact-path = "layer.zip"
```
### AWS Lambda - separated - separate layer package and function package

```.toml
[tool.poetry-plugin-lambda-build]
layer-artifact-path = "layer.zip"
layer-install-dir = "python"
function-artifact-path = "function.zip"
```
### AWS Lambda - separated - separate layer package and function package build in docker container

```.toml
[tool.poetry-plugin-lambda-build]
docker-image = "public.ecr.aws/sam/build-python3.11:latest-x86_64"
docker-network = "host"
layer-artifact-path = "layer.zip"
layer-install-dir = "python"
function-artifact-path = "function.zip"
```

## Help

```bash
poetry build-lambda help
```

```
Description:
Execute to build lambda lambda artifacts

Usage:
build-lambda [options] [--] [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ []]]]]]]]]]]]]]]]]]]

Arguments:
docker-image The image to run
docker-entrypoint The entrypoint for the container (comma separated string) [default: "/bin/bash"]
docker-environment Environment variables to set inside the container (comma separated string) ex. VAR_1=VALUE_1,VAR_2=VALUE_2
docker-dns Set custom DNS servers (comma separated string)
docker-network The name of the network this container will be connected to at creation time [default: "host"]
docker-network-mode Network-mode
docker-platform Platform in the format os[/arch[/variant]]. Only used if the method needs to pull the requested image.
package-artifact-path Output package path (default: package.zip). Set the '.zip' extension to wrap the artifact into a zip package otherwise, output will be created in the directory. [default: "package.zip"]
package-install-dir Installation directory inside artifact for single package [default: ""]
function-artifact-path Output function package path. Set the '.zip' extension to wrap the artifact into a zip package otherwise, output will be created in the directory.
function-install-dir Installation directory inside artifact for function package [default: ""]
layer-artifact-path Output layer package path. Set the '.zip' extension to wrap the artifact into a zip package otherwise, output will be created in the directory.
layer-install-dir Installation directory inside artifact for layer package [default: ""]
only The only dependency groups to include
without The dependency groups to ignore
with The optional dependency groups to include
zip-compresslevel None (default for the given compression type) or an integer specifying the level to pass to the compressor. When using ZIP_STORED or ZIP_LZMA this keyword has no effect. When using ZIP_DEFLATED integers 0 through 9 are accepted. When using ZIP_BZIP2 integers 1 through 9 are accepted.
zip-compression ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib), ZIP_BZIP2 (requires bz2) or ZIP_LZMA (requires lzma) [default: "ZIP_STORED"]
pre-install-script The script that is executed before installation.

Options:
--no-checksum Enable to suppress checksum checking
--docker-network-disabled Disable networking
-h, --help Display help for the given command. When no command is given display help for the list command.
-q, --quiet Do not output any message.
-V, --version Display this application version.
--ansi Force ANSI output.
--no-ansi Disable ANSI output.
-n, --no-interaction Do not ask any interactive question.
--no-plugins Disables plugins.
--no-cache Disables Poetry source caches.
-C, --directory=DIRECTORY The working directory for the Poetry command (defaults to the current working directory).
-v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug.
```

## Tips
#### Mac users with Docker Desktops
Make sure to configure `DOCKER_HOST` properly
```bash
export DOCKER_HOST=unix:///Users/$USER/.docker/run/docker.sock
```