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docker: statically build CLI #3942

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docker: statically build CLI #3942

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40 changes: 29 additions & 11 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,11 +1,20 @@
ARG TAG=22.04

FROM ubuntu:${TAG} AS build

### Build stage

# Install curl and git and simplex-chat dependencies
RUN apt-get update && apt-get install -y curl git build-essential libgmp3-dev zlib1g-dev llvm-12 llvm-12-dev libnuma-dev libssl-dev
FROM alpine:latest AS build-stage

# Alpine Linux doesn't provide libtinfow.so.6 library, so we need to symlink it.
# Add essential packages for ghc/cabal to work.
RUN apk add --no-cache \
curl \
git \
xz \
grep \
ghc-dev \
gmp-dev \
zlib-static \
zlib-dev \
openssl-libs-static \
openssl-dev \
alpine-sdk &&\
ln -s /usr/lib/libncursesw.so.6 /usr/lib/libtinfow.so.6

# Specify bootstrap Haskell versions
ENV BOOTSTRAP_HASKELL_GHC_VERSION=9.6.3
Expand All @@ -21,21 +30,30 @@ ENV PATH="/root/.cabal/bin:/root/.ghcup/bin:$PATH"
RUN ghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}" && \
ghcup set cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"

# Install hpack
RUN cabal install --install-method=copy --installdir=/usr/local/bin hpack-0.36.0

# Copy project in PWD to dontainer
COPY . /project
WORKDIR /project

# Adjust build
RUN cp ./scripts/cabal.project.local.linux ./cabal.project.local

# Add optimization flags and build statically
RUN sed -i '/- -Wunused-type-patterns/a\ - -O2\n\ - -split-sections\n\ - -with-rtsopts=-N\n\ - -static\n\cc-options: -static\n\ld-options: -static -pthread' package.yaml

# Reconfigure cabal project
RUN hpack

# Compile simplex-chat
RUN cabal update
RUN cabal build exe:simplex-chat
RUN cabal build -j exe:simplex-chat

# Strip the binary from debug symbols to reduce size
RUN bin=$(find /project/dist-newstyle -name "simplex-chat" -type f -executable) && \
mv "$bin" ./ && \
strip ./simplex-chat

# Copy compiled app from build stage
FROM scratch AS export-stage
COPY --from=build /project/simplex-chat /
COPY --from=build-stage /project/simplex-chat /
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