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Add devcontainer
Signed-off-by: Doru Blânzeanu <dblnz@pm.me>
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‎.devcontainer/Dockerfile‎

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## Dockerfile for devcontainer
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FROM mcr.microsoft.com/devcontainers/base:bookworm AS base
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ARG USER=vscode
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ARG GROUP=vscode
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ENV HOME="/home/${USER}"
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ENV PATH="$HOME/.cargo/bin:$PATH"
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# Install dependencies
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RUN apt-get update \
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&& apt-get -y install \
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build-essential \
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cmake \
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curl \
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gdb \
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git \
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gnupg \
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lsb-release \
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make \
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pkg-config \
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software-properties-common \
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sudo \
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wget \
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musl-tools
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ARG LLVM_VERSION=18
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# Install llvm
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RUN wget https://apt.llvm.org/llvm.sh \
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&& chmod +x ./llvm.sh \
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&& sudo ./llvm.sh ${LLVM_VERSION} clang clang-tools-extra \
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&& sudo ln -s /usr/lib/llvm-${LLVM_VERSION}/bin/ld.lld /usr/bin/ld.lld \
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&& sudo ln -s /usr/lib/llvm-${LLVM_VERSION}/bin/clang /usr/bin/clang
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# Install Node.js
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RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
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&& apt-get install -y nodejs
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FROM base AS dev
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# Make sure the devcontainer user has sudo access
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RUN chown -R "${USER}:${GROUP}" /home/${USER} \
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&& echo "${USER} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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# Persist bash history
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RUN SNIPPET="export PROMPT_COMMAND='history -a' && export HISTFILE=/commandhistory/.bash_history" \
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&& mkdir /commandhistory \
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&& touch /commandhistory/.bash_history \
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&& chown -R "${USER}" /commandhistory \
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&& echo "$SNIPPET" >> "/home/${USER}/.bashrc"
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USER $USER
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ARG RUST_TOOLCHAIN=1.89
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# Install rust
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RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
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&& rustup default ${RUST_TOOLCHAIN} \
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&& rustup target add x86_64-unknown-linux-gnu \
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&& rustup target add x86_64-unknown-linux-musl \
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&& rustup target add x86_64-unknown-none \
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&& rustup target add wasm32-wasip1 \
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&& rustup toolchain add nightly-x86_64-unknown-linux-gnu \
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&& cargo install just \
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&& cargo install cargo-component \
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&& cargo install cargo-hyperlight \
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&& cargo install hyperlight-wasm-aot --locked --version 0.12.0 \
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&& cargo install wasmtime-cli --locked --version 36.0.6

‎.devcontainer/devcontainer.json‎

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{
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"name": "Hyperlight Wasm HTTP Example",
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"image": "ghcr.io/hyperlight-dev/hyperlight-wasm-http-example-devcontainer:latest",
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"containerUser": "vscode",
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"containerEnv": {
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"DEVICE": "/dev/kvm",
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"REMOTE_USER": "vscode",
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"REMOTE_GROUP": "vscode"
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},
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"runArgs": [
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"--device=/dev/kvm"
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],
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"postStartCommand": "bash .devcontainer/setup.sh",
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"customizations": {
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"vscode": {
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"extensions": [
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"rust-lang.rust-analyzer",
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"vadimcn.vscode-lldb",
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"dbaeumer.vscode-eslint",
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"bytecodealliance.starlingmonkey-debugger"
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],
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"settings": {
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"rust-analyzer.rustfmt.extraArgs": [
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"+nightly"
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]
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}
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}
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}
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}

‎.devcontainer/setup.sh‎

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#!/bin/bash
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# Change device ownership
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sudo chown -R $REMOTE_USER:$REMOTE_GROUP $DEVICE

‎.github/workflows/CreateDevcontainerImage.yml‎

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name: Create and publish devcontainer Docker image
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on:
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push:
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branches:
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- "main"
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paths:
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- ".devcontainer/Dockerfile"
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- ".github/workflows/CreateDevcontainerImage.yml"
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- "rust-toolchain.toml"
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env:
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REGISTRY: ghcr.io
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IMAGE_NAME: ${{ github.repository }}-devcontainer
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USER: vscode
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GROUP: vscode
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LLVM_VERSION: 18
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RUST_TOOLCHAIN_DEFAULT: 1.89
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RUST_TOOLCHAIN_FILE: rust-toolchain.toml
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jobs:
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build-and-push-image:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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packages: write
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steps:
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- name: Checkout repository
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uses: actions/checkout@v6
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- name: Read Rust toolchain version from ${{ env.RUST_TOOLCHAIN_FILE }}
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id: toolchain
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run: |
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version=$(cat ${{ env.RUST_TOOLCHAIN_FILE }} | sed -n '/\[toolchain\]/,/^\[/{/^\s*channel = /s/[^"]*"\([^"]*\)".*/\1/p}')
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cat ${{ env.RUST_TOOLCHAIN_FILE }} | grep $version &> /dev/null \
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&& echo "RUST_TOOLCHAIN=${version}" >> "$GITHUB_OUTPUT" \
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|| echo "RUST_TOOLCHAIN=${{ env.RUST_TOOLCHAIN_DEFAULT }}" >> "$GITHUB_OUTPUT"
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- name: Log in to the Container registry
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uses: docker/login-action@v4
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract metadata (tags, labels) for Docker
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id: meta
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uses: docker/metadata-action@v6
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with:
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images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
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- name: Build and push Docker image
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id: push
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uses: docker/build-push-action@v7
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with:
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context: ./.devcontainer
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push: true
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tags: |
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${{ steps.meta.outputs.tags }}
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${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
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labels: ${{ steps.meta.outputs.labels }}
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build-args: |
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USER=${{ env.USER }}
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GROUP=${{ env.GROUP }}
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LLVM_VERSION=${{ env.LLVM_VERSION }}
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RUST_TOOLCHAIN=${{ steps.toolchain.outputs.RUST_TOOLCHAIN }}

‎README.md‎

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```sh
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cargo run -- out/sample_wasi_http_js.aot
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```
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## Try it yourself!
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[GitHub codespaces](https://codespaces.new/hyperlight-dev/hyperlight-wasm-http-example)

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