two phase dockerfile

wasm-container-runtime/Dockerfile

@@ -0,0 +1,12 @@
+# Build phase
+FROM emscripten/emsdk AS build
+RUN mkdir -p /build
+WORKDIR /build
+COPY src ./src
+RUN emcc ./src/main.c -o ./main.wasm 
+RUN chmod a+x ./main.wasm
+
+# Run phase
+FROM scratch
+COPY --from=build /build/main.wasm /main.wasm
+ENTRYPOINT [ "/main.wasm" ]