# get the base image
FROM rust:1.69 AS build

# install build dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends lsb-release apt-transport-https \
    build-essential curl wget pkg-config

# vars
ENV PERSEUS_VERSION=0.4.0 \
    PERSEUS_SIZE_OPT_VERSION=0.1.9 \
    ESBUILD_VERSION=0.15.18 \
    BINARYEN_VERSION=112

# prepare root project dir
WORKDIR /app

# download the target for wasm
RUN rustup target add wasm32-unknown-unknown;\
    cargo install wasm-pack # might not be a bad idea to fix the version of this in the future

# retrieve the src dir
COPY . .

# install perseus-cli
RUN cargo install perseus-cli --version $PERSEUS_VERSION;\
    perseus clean

# deploy app
RUN perseus deploy

# download and unpack esbuild
RUN curl -O https://registry.npmjs.org/esbuild-linux-64/-/esbuild-linux-64-${ESBUILD_VERSION}.tgz \
    && tar xf esbuild-linux-64-${ESBUILD_VERSION}.tgz \
    && ./package/bin/esbuild --version

# run esbuild against bundle.js
RUN ./package/bin/esbuild ./pkg/dist/pkg/perseus_engine.js --minify --target=es6 --outfile=./pkg/dist/pkg/perseus_engine.js --allow-overwrite \
    && ls -lha ./pkg/dist/pkg

# download and unpack binaryen
RUN wget -nv https://github.com/WebAssembly/binaryen/releases/download/version_${BINARYEN_VERSION}/binaryen-version_${BINARYEN_VERSION}-x86_64-linux.tar.gz \
    && tar xf binaryen-version_${BINARYEN_VERSION}-x86_64-linux.tar.gz \
    && ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt --version

# run wasm-opt against bundle.wasm
RUN ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt -Os ./pkg/dist/pkg/perseus_engine_bg.wasm -o ./pkg/dist/pkg/perseus_engine_bg.wasm

# prepare deployment image
FROM debian:stable-slim

WORKDIR /app

COPY --from=build /app/pkg /app/

ENV HOST=0.0.0.0

CMD ["./server"]