Dockerfile

FROM rust:latest AS builder

ARG APP_NAME=uploader
ENV APP_NAME=${APP_NAME}

WORKDIR /app

RUN apt-get update -y && apt-get upgrade -y && apt-get install musl-tools -y

COPY Cargo.toml Cargo.lock ./
RUN mkdir src/ && echo "fn main() {}" > src/main.rs
RUN rustup target add x86_64-unknown-linux-musl

RUN cargo build --release --target x86_64-unknown-linux-musl
COPY src src
RUN touch src/main.rs
RUN cargo build --release --target x86_64-unknown-linux-musl

RUN strip target/x86_64-unknown-linux-musl/release/$APP_NAME


FROM alpine:latest

ARG APP_NAME=uploader
ENV APP_NAME=${APP_NAME}
ENV ROCKET_PROFILE=release

USER 1000

WORKDIR /app
COPY --from=builder --chown=1000:1000 /app/target/x86_64-unknown-linux-musl/release/$APP_NAME .
COPY --chown=1000:1000 ./Rocket.toml /app/Rocket.toml
COPY --chown=1000:1000 ./config.json /app/config.json
COPY ./static/ /app/static

EXPOSE 8000

CMD ./$APP_NAME