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update dockerfile template #116

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update dockerfile template #116

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27 changes: 14 additions & 13 deletions stack-template.hsfiles
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Original file line number Diff line number Diff line change
Expand Up @@ -67,12 +67,11 @@ handler person context =
return (Left "A person's age must be positive")

{-# START_FILE Dockerfile #-}
# Loosely based on https://timwspence.github.io/blog/posts/2019-08-02-optimized-docker-builds-for-haskell-stack.html
ARG OUTPUT_DIR=/root/output
ARG EXECUTABLE_NAME=bootstrap

FROM lambci/lambda:build-provided as build

COPY . .
FROM lambci/lambda:build-provided.al2 as build

SHELL ["/bin/bash", "--rcfile", "~/.profile", "-c"]

Expand All @@ -83,17 +82,18 @@ RUN yum update -y ca-certificates
# Installing Haskell Stack
RUN curl -sSL https://get.haskellstack.org/ | sh

# Build the lambda
COPY . /root/lambda-function/
WORKDIR /root/lambda-function/

RUN pwd
# Build the deps
RUN stack clean --full
RUN yum install -y gmp-devel ncurses-devel # Add more build time dependencies here if needed. EG: postgresql-devel

RUN cd /root/lambda-function
WORKDIR /root/lambda-function/
COPY stack.yaml package.yaml stack.yaml.lock /root/lambda-function/
RUN stack build --dependencies-only

RUN ls
# Build the lambda
COPY . /root/lambda-function/

RUN stack clean --full
RUN stack build

ARG OUTPUT_DIR
Expand All @@ -103,12 +103,15 @@ RUN mkdir -p ${OUTPUT_DIR} && \

ARG EXECUTABLE_NAME

RUN cp $(stack path --local-install-root)/bin/${EXECUTABLE_NAME} ${OUTPUT_DIR}/${EXECUTABLE_NAME}
RUN mv $(stack path --local-install-root)/bin/${EXECUTABLE_NAME} ${OUTPUT_DIR}/${EXECUTABLE_NAME}

ENTRYPOINT sh

FROM public.ecr.aws/lambda/provided:al2 as deploy

# Install any runtime dependencies. EG:
# RUN yum install -y postgresql

ARG EXECUTABLE_NAME

WORKDIR ${LAMBDA_RUNTIME_DIR}
Expand All @@ -117,9 +120,7 @@ ARG OUTPUT_DIR

COPY --from=build ${OUTPUT_DIR} .

RUN ls
RUN mv ${EXECUTABLE_NAME} bootstrap || true
RUN ls

CMD [ "handler" ]

Expand Down