Dockerfile

# syntax=docker/dockerfile:1

FROM --platform=$BUILDPLATFORM rust:1.64 AS buildbase
WORKDIR /src

# Removing heredoc to avoid the following error: failed to solve: process "/bin/sh -c <<EOT bash\n    set -ex\r\n
RUN apt-get update
RUN apt-get install -y git clang
RUN rustup target add wasm32-wasi

# This line installs WasmEdge including the AOT compiler
RUN curl -sSf https://raw.githubusercontent.com/WasmEdge/WasmEdge/master/utils/install.sh | bash

FROM buildbase AS build
COPY Cargo.toml orders.json update_order.json ./
COPY src ./src 
# Build the Wasm binary
RUN --mount=type=cache,target=/usr/local/cargo/git/db \
    --mount=type=cache,target=/usr/local/cargo/registry/cache \
    --mount=type=cache,target=/usr/local/cargo/registry/index \
    cargo build --target wasm32-wasi --release
# This line builds the AOT Wasm binary
RUN /root/.wasmedge/bin/wasmedgec target/wasm32-wasi/release/order_demo_service.wasm order_demo_service.wasm

FROM scratch
ENTRYPOINT [ "order_demo_service.wasm" ]
COPY --link --from=build /src/order_demo_service.wasm /order_demo_service.wasm