fej/docker/Dockerfile.rel

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# vim: filetype=dockerfile
FROM chewingbever/fej-builder:latest AS backend-builder
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COPY --chown=builder:builder Cargo.toml Cargo.lock ./
COPY --chown=builder:builder src/ ./src/
COPY --chown=builder:builder migrations/ ./migrations/
# And then finally, build the project
# Thank the lords that this article exists
# https://users.rust-lang.org/t/sigsegv-with-program-linked-against-openssl-in-an-alpine-container/52172
# TODO add what these flags do & why they work
# NOTE: cargo install auto-appends bin to the path
# RUN --mount=type=cache,mode=0777,target=/app/target \
# --mount=type=cache,mode=0777,target=/app/.cargo/registry \
# Buildkit cache mounts really don't like it when you're not root,
# so I guess we're building release without a cache for now
RUN cargo install \
--path . \
--root /app/output \
--target x86_64-unknown-linux-musl \
--features frontend
FROM node:15-alpine3.13 AS frontend-builder
COPY ./web /app
WORKDIR /app
# Build the frontend
RUN yarn install && \
yarn run build
# Now, we create the actual image
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FROM alpine:3.13.5
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COPY ./docker/crontab /var/spool/cron/crontabs/fej
# Install some dynamic libraries needed for everything to work
# Create -non-root user
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# Change permissions for crontab file
RUN apk update && \
apk add --no-cache \
curl \
libgcc \
libpq \
openssl && \
addgroup -S fej && \
adduser -S fej -G fej -h /app
# Switch to non-root user
USER fej:fej
# Copy binary & frontend over to final image
COPY --from=backend-builder --chown=fej:fej /app/output/bin /app/bin
COPY --from=frontend-builder --chown=fej:fej /app/dist /app/dist
# Embed config file inside container
# The workdir is changed so that the config file is read properly
WORKDIR /app
COPY --chown=fej:fej Rocket.toml /app/Rocket.toml
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HEALTHCHECK \
--interval=10s \
--timeout=5s \
--start-period=1s \
--retries=3 \
CMD curl -q localhost:8000
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ENTRYPOINT ["/app/bin/server"]