sns-alert-hub/Dockerfile

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# Stage 1 - bundle base image + runtime
FROM python:3.12-alpine3.20 AS python-alpine
ARG ALPINE="v3.20"
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# Install GCC (Alpine uses musl but we compile and link dependencies with GCC)
RUN echo "@kubezero https://cdn.zero-downtime.net/alpine/${ALPINE}/kubezero" >> /etc/apk/repositories && \
wget -q -O /etc/apk/keys/stefan@zero-downtime.net-61bb6bfb.rsa.pub https://cdn.zero-downtime.net/alpine/stefan@zero-downtime.net-61bb6bfb.rsa.pub
RUN apk -U --no-cache upgrade && \
apk --no-cache add \
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libstdc++
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# Stage 2 - build function and dependencies
FROM python-alpine AS build-image
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ARG TAG="latest"
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# Install aws-lambda-cpp build dependencies
RUN apk --no-cache add \
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build-base \
libtool \
autoconf \
automake \
make \
cmake \
libcurl \
libffi-dev \
openssl-dev \
elfutils-dev
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# cargo
# Install requirements
COPY requirements.txt requirements.txt
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RUN export MAKEFLAGS="-j$(nproc)" && \
pip install -r requirements.txt --target /app
# Install our app
COPY app.py /app
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# Set internal __version__ to our own container TAG
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RUN sed -i -e "s/^__version__ =.*/__version__ = \"${TAG}\"/" /app/app.py
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# Stage 3 - final runtime image
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FROM python-alpine
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WORKDIR /app
COPY --from=build-image /app /app
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ENTRYPOINT [ "/usr/local/bin/python", "-m", "awslambdaric" ]
CMD [ "app.handler" ]
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LABEL zero-downtime.net.image.maintainer="stefan@zero-downtime.net" \
zero-downtime.net.image.license="AGPLv3"