From bff969c59c4c48b4c40886762dbd82f85d430393 Mon Sep 17 00:00:00 2001
From: ainozaki <aiai10piano@gmail.com>
Date: Fri, 29 Dec 2023 15:44:39 +0900
Subject: [PATCH] add devcontainer

---
 .devcontainer/Dockerfile        | 14 ++++++++++++++
 .devcontainer/devcontainer.json |  7 +++++++
 README.md                       | 18 ++++++++++++++++--
 3 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 .devcontainer/Dockerfile
 create mode 100644 .devcontainer/devcontainer.json

diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..82ad9a7
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,14 @@
+FROM mcr.microsoft.com/devcontainers/rust:1-1-bookworm
+
+RUN apt-get update && apt-get install -y cmake
+
+ARG LLVM_URL=https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.0/clang+llvm-15.0.0-x86_64-linux-gnu-rhel-8.4.tar.xz
+
+# install llvm
+RUN mkdir -p /usr/local/llvm \
+    && wget ${LLVM_URL} -O /tmp/llvm.tar.xz \
+    && tar -xvf /tmp/llvm.tar.xz -C /usr/local/llvm \
+    && rm /tmp/llvm.tar.xz
+
+ENV PATH=/usr/local/llvm/bin:$PATH
+ENV LLVM_SYS_150_PREFIX=/usr/local/llvm/clang+llvm-15.0.0-x86_64-linux-gnu-rhel-8.4
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..72d982e
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,7 @@
+{
+	"name": "Wasker Dev Container",
+	"build": {
+		"context": "..",
+		"dockerfile": "./Dockerfile"
+	}
+}
diff --git a/README.md b/README.md
index a997274..693c163 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,8 @@
 # Wasker
 
 Wasker is a WebAssembly compiler.
-Wasker compiles Wasm binary into ELF format binary.
+Wasker compiles Wasm binary into ELF format binary.　
+Currently, Wasker supports WASI preview 1.
 
 ![Wasker_architecture](./doc/assets/wasker_architecture.png "Wasker_architecture")
 
@@ -52,8 +53,21 @@ docker run -it --rm -v $PWD/mount:/work/mount -t ghcr.io/mewz-project/wasker:lat
 [2023-12-28T09:20:28Z INFO  wasker::compiler] Compile success
 ```
 
+## Option2 : Use Devcontainer
+You can try Wasker on browser via Devcontainer.
 
-## Option2 : Build from source
+Start Devcontainer
+- Click `Code` -> `Codespaces` -> `New codespace` on this repository page.
+- Wait for a while, then you can see VSCode on browser.
+- Open terminal on VSCode
+
+Run Wasker
+```
+cargo run helloworld.wat
+```
+
+
+## Option3 : Build from source
 Clone repository
 ```
 git clone git@github.com:Mewz-project/Wasker.git