Initial commit

Dockerfile

@@ -0,0 +1,56 @@
+FROM rust:1.57-slim AS build
+
+RUN apt update \
+  && apt install -y --no-install-recommends lsb-release apt-transport-https \
+  build-essential curl wget
+
+ENV PERSEUS_VERSION=0.3.2 \
+  PERSEUS_SIZE_OPT_VERSION=0.1.7 \
+  ESBUILD_VERSION=0.14.7 \
+  BINARYEN_VERSION=104
+
+WORKDIR /app
+
+RUN rustup target add wasm32-unknown-unknown
+RUN cargo install wasm-pack
+
+COPY . contextswitch-web
+
+WORKDIR /app/contextswitch-web
+
+RUN cargo install perseus-cli --version $PERSEUS_VERSION
+RUN perseus clean && perseus prep
+RUN perseus tinker \
+  && cat .perseus/Cargo.toml \
+  && cat ./src/lib.rs
+
+# single-threaded perseus CLI mode required for low memory environments
+#ENV PERSEUS_CLI_SEQUENTIAL=true
+
+RUN perseus deploy
+
+WORKDIR /app
+
+RUN curl -O https://registry.npmjs.org/esbuild-linux-64/-/esbuild-linux-64-${ESBUILD_VERSION}.tgz \
+  && tar xf esbuild-linux-64-${ESBUILD_VERSION}.tgz \
+  && ./package/bin/esbuild --version
+
+RUN ./package/bin/esbuild ./contextswitch-web/pkg/dist/pkg/perseus_engine.js --minify --target=es6 --outfile=./contextswitch-web/pkg/dist/pkg/perseus_engine.js --allow-overwrite \
+  && ls -lha ./contextswitch-web/pkg/dist/pkg
+
+RUN wget -nv https://github.com/WebAssembly/binaryen/releases/download/version_${BINARYEN_VERSION}/binaryen-version_${BINARYEN_VERSION}-x86_64-linux.tar.gz \
+  && tar xf binaryen-version_${BINARYEN_VERSION}-x86_64-linux.tar.gz \
+  && ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt --version
+
+RUN ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt -Os ./contextswitch-web/pkg/dist/pkg/perseus_engine_bg.wasm -o ./contextswitch-web/pkg/dist/pkg/perseus_engine_bg.wasm \
+  && ls -lha ./contextswitch-web/pkg/dist/pkg
+
+FROM debian:stable-slim
+
+WORKDIR /app
+
+COPY --from=build /app/contextswitch-web/pkg /app/
+
+ENV HOST=0.0.0.0
+
+CMD ["./server"]