feat(sandbox): use Poetry to manage the dependencies of `sandbox-lamb…

…da-python` (ARCH-355) (#2938)

.gitignore

@@ -128,4 +128,7 @@ target/
 # Ipython Notebook
 .ipynb_checkpoints
 
-vite.config.*.timestamp*
+vite.config.*.timestamp*
+
+# AWS SAM
+.aws-sam

apps/sandbox/lambda-python/.gitignore

@@ -178,7 +178,7 @@ target/
 .ipynb_checkpoints
 
 # pyenv
-.python-version
+# .python-version
 
 # celery beat schedule file
 celerybeat-schedule.*

apps/sandbox/lambda-python/.python-version

@@ -0,0 +1 @@
+3.13.0

apps/sandbox/lambda-python/Dockerfile

@@ -1,6 +1,16 @@
+FROM python:3.13.0-slim-bullseye AS builder
+
+# Install the same version of Poetry as inside the dev container
+RUN pip install --no-cache-dir poetry==1.8.3
+
+WORKDIR /app
+COPY pyproject.toml poetry.lock ./
+RUN poetry export --without-hashes --format=requirements.txt > requirements.txt
+
 FROM public.ecr.aws/lambda/python:3.13
 
-COPY hello_world/app.py requirements.txt ${LAMBDA_TASK_ROOT}/
+COPY --from=builder /app/requirements.txt ${LAMBDA_TASK_ROOT}/
+COPY sandbox_lambda_python/app.py ${LAMBDA_TASK_ROOT}/
 
 RUN python3.13 -m pip install --no-cache-dir -r requirements.txt -t .
 

apps/sandbox/lambda-python/install.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+PYTHON_VERSION=$(cat ".python-version")
+
+pyenv install --skip-existing $PYTHON_VERSION
+
+# Initializing pyenv again solves an issue encountered by GitHub action where the version of Python
+# installed above is not detected.
+eval "$(pyenv init -)"
+
+pyenv local $PYTHON_VERSION
+poetry env use $(pyenv which python)
+poetry install

apps/sandbox/lambda-python/project.json

@@ -3,6 +3,13 @@
   "$schema": "../../../node_modules/nx/schemas/project-schema.json",
   "projectType": "application",
   "targets": {
+    "prepare": {
+      "executor": "nx:run-commands",
+      "options": {
+        "command": "./install.sh",
+        "cwd": "{projectRoot}"
+      }
+    },
     "build": {
       "executor": "nx:run-commands",
       "options": {

apps/sandbox/lambda-python/pyproject.toml

@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "sandbox-lambda-python"
+version = "0.1.0"
+description = "A containerized AWS Lambda example for Python"
+authors = ["Thomas Schaffter <[email protected]>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "3.13.0"
+requests = "2.32.3"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"