Dockerfile for esy projects.

Dockerfile

# Build image

FROM node:10.13-alpine as build

# Prepare the environment to install esy.
RUN apk add --no-cache \
		ca-certificates wget \
		bash curl perl-utils \
		git patch gcc g++ musl-dev make m4

RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
RUN wget -q https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.28-r0/glibc-2.28-r0.apk
RUN apk add --no-cache glibc-2.28-r0.apk
ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/lib:/lib

RUN npm install -g --unsafe-perm esy@0.4.3
RUN esy --version

WORKDIR /root

# Copy _only_ project description files.
COPY --chown=root:nogroup package.json esy.lock /root/

# If you have sub-packages referenced with `link` in `package.json` add them here.
# This is compatible with dune's composable (ie monorepo) builds.
#RUN mkdir -p /root/some-sub-package
#COPY --chown=root:nogroup some-sub-package/package.json some-sub-package/esy.lock /root/some-sub-package/

# Install and build the dependencies.
# In this case `esy build` will only build the dependencies from the package description because we
# haven't copied any project source and dune files.
RUN esy install
RUN esy build

# Add the full project tree with sources and dune files.
# This will build the actual project and reuse the prebuilt dependencies from the previous step.
COPY --chown=root:nogroup . /root/
RUN esy build

# We install all public libs/bins for export.
RUN esy dune install --prefix=/root/_export


# Run image

FROM alpine:3.6

WORKDIR /mnt/local
ENV PATH /mnt/local/bin:$PATH

# Copy the exported files from the build stage.
COPY --from=build /root/_export /mnt/local