Dockerfile

## RUNTIME
FROM alpine:3.22 AS runtime

RUN apk add --no-cache tzdata
RUN ln -s /usr/share/zoneinfo/Europe/Brussels /etc/localtime
RUN apk add --no-cache ca-certificates libreoffice chromium
RUN apk add --no-cache \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
    gperftools-dev
RUN apk add --no-cache nss freetype harfbuzz ttf-freefont
RUN apk add --no-cache openjdk8-jre imagemagick=7.1.2.15-r0 ghostscript
RUN sed -i 's/pattern="{GIF,JPEG,PNG,WEBP}"/pattern="{GIF,JPEG,PNG,WEBP,PDF}"/' /etc/ImageMagick-7/policy.xml

## INITIAL BUILDER
FROM rust:1.94-alpine3.22 AS builder
RUN apk add --no-cache openssl-dev curl build-base cmake pkgconfig musl-dev openssl-libs-static perl \
    && apk add --no-cache \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
    gperftools-dev

## CACHE LAYER
FROM builder AS cache
WORKDIR /app
COPY Cargo.toml Cargo.lock ./
RUN mkdir src && echo "fn main() {println!(\"hello world\");}" > src/main.rs
ENV RUSTFLAGS="-C link-args=-ltcmalloc"
RUN cargo build --release 
RUN rm -rf src target/release/file-service target/release/deps/file_service*

## BUILD LAYER
FROM cache AS build
WORKDIR /app
ENV RUSTFLAGS="-C link-args=-ltcmalloc"
COPY ./src ./src
RUN cargo build --release

## ENTRY POINT
FROM runtime
WORKDIR /app
COPY --from=build /app/target/release/file-service /file-service

ENV RUST_LOG=INFO
ENV LD_PRELOAD=/usr/lib/libtcmalloc.so
ENV TCMALLOC_AGGRESSIVE_DECOMMIT=t

ENTRYPOINT ["/file-service"]