luarocks support

Dockerfile

@@ -1,12 +1,29 @@
-# Build stage
-FROM rust:alpine AS build
+# Lua Build
+FROM nickblah/lua:5.4-luarocks-alpine AS build
+RUN apk add --no-cache build-base rust cargo lua5.4-dev pkgconfig openssl-dev m4 bsd-compat-headers
+# Install lua modules here.
+RUN luarocks install luasec
+RUN luarocks install luasocket
+RUN luarocks install lua-cjson
+RUN luarocks install base64
+RUN luarocks install inspect
+
+# Need to build rust in this container too due to version mismatch between
+# build environments of lua and rust
 WORKDIR /app
 COPY . .
-RUN apk update && apk add --no-cache musl-dev
 RUN cargo build --release
 
 # Deploy stage
 FROM alpine
 WORKDIR /app
-COPY --from=build /app/target/release/webserver .
+RUN apk update && apk add --no-cache ca-certificates openssl libgcc lua5.4-libs
+
+COPY --from=build /usr/local/bin/lua /usr/local/bin/lua
+COPY --from=build /usr/local/bin/luarocks /usr/local/bin/luarocks
+COPY --from=build /usr/local/lib/lua /usr/local/lib/lua
+COPY --from=build /usr/local/share/lua /usr/local/share/lua
+COPY --from=build /usr/local/lib/luarocks /usr/local/lib/luarocks
+COPY --from=build /app/target/release/webserver /app/webserver
+
 CMD ["./webserver"]