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d8ad0fd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | # First stage: setting the base image
ARG PYTHON_VERSION=""
FROM public.ecr.aws/lambda/python:${PYTHON_VERSION} AS base_build
# Second stage: building the layer
FROM base_build
ARG PYTHON_VERSION=""
ARG PACKAGE_SUFFIX=""
USER root
WORKDIR /tmp
# PACKAGE_SUFFIX = '[all]==3.0.0'
# PACKAGE_SUFFIX = '[all] @ git+https://github.com/awslabs/aws-lambda-powertools-python@develop'
# PACKAGE_SUFFIX = '[all]'
# PACKAGE_SUFFIX = '=='3.0.0'
# PACKAGE_SUFFIX = ' @ git+https://github.com/awslabs/aws-lambda-powertools-python@develop'
# PACKAGE_SUFFIX = ''
# PYTHON_VERSION = 3.8, 3.9, 3.10, 3.11, 3.12, and 3.13
# Installing libs based on base image; We must use dnf for AL2023 (Python 3.12+)
COPY install_libraries.sh .
RUN chmod a+x /tmp/install_libraries.sh
RUN /bin/sh /tmp/install_libraries.sh
# Install cython to generate native code
RUN pip install --upgrade pip wheel && pip install --upgrade cython
# Optimize binary size and strip debugging symbols for optimum size
RUN CFLAGS="-Os -g0 -s" pip install -t /asset/python "aws-lambda-powertools${PACKAGE_SUFFIX}"
# Removing nonessential files
RUN cd /asset/python && \
# remove boto3 and botocore (already available in Lambda Runtime)
rm -rf boto* && \
# remove boto3 dependencies
rm -rf s3transfer* *dateutil* urllib3* six* jmespath* && \
# remove debugging symbols
find . -name '*.so' -type f -exec strip "{}" \; && \
# remove tests
find . -wholename "*/tests/*" -type f -delete && \
# remove python bytecode
find . -regex '^.*\(__pycache__\|\.py[co]\)$' -delete
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