initial commit

.devcontainer/Dockerfile

@@ -0,0 +1,9 @@
+ARG VARIANT="jammy"
+FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
+
+RUN apt-get update && apt-get install -yq build-essential nodejs npm
+
+USER vscode
+RUN echo $HOME
+RUN curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSfL | sh -s -- --default-toolchain leanprover/lean4:stable -y
+RUN echo 'export PATH="$HOME/.elan/bin:$PATH"' >> $HOME/.profile

.devcontainer/devcontainer.json

@@ -0,0 +1,18 @@
+{
+	"name": "Ubuntu",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": { "VARIANT": "ubuntu-22.04" }
+	},
+	"remoteUser": "vscode",
+	"features": {
+		"git": "os-provided"
+	},
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"leanprover.lean4"
+			]
+		}
+	}
+}