Dockerfile

FROM rust:1-alpine3.22 AS rust-builder

# Download all dependencies needed for compilation
RUN apk add --no-cache make musl-dev
ADD https://github.com/tailwindlabs/tailwindcss/releases/download/v4.1.17/tailwindcss-linux-x64-musl /build/tailwindcss-linux-x64

# Create a dummy program with our Cargo dependencies so they're cached by Docker
WORKDIR /build
COPY ./Cargo.toml .
COPY ./Cargo.lock .
RUN mkdir ./src && echo 'fn main() { println!("Dummy!"); }' > ./src/main.rs
RUN cargo build --release
RUN rm -rf ./src
RUN rm -f ./target/release/malwarepad-files

# Build the final executable inside this full environment
COPY . /build
RUN touch -a -m ./src/main.rs
RUN chmod +x ./tailwindcss-linux-x64
RUN make build

# Finalize process with a target image which is as lean as it gets
FROM alpine:3.22
WORKDIR /build
COPY --exclude=target/ --exclude=tailwindcss-linux-x64 --from=rust-builder /build/ .
COPY --from=rust-builder /build/target/release/malwarepad-files .
EXPOSE 8080
CMD ["./malwarepad-files"]