feat: create devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,4 @@
+ARG VARIANT=20-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
+
+RUN npm install -g pnpm

.devcontainer/invest-app-auth/devcontainer.json

@@ -0,0 +1,37 @@
+{
+  "name": "Invest App Auth",
+  "build": {
+    "dockerfile": "../Dockerfile",
+    "args": {
+      "VARIANT": "20-bullseye"
+    }
+  },
+
+  "workspaceFolder": "/workspaces/lp2/public/codes/expressjs/invest-app-auth",
+
+  "portsAttributes": {
+    "3000": {
+      "label": "Application",
+      "onAutoForward": "openPreview"
+    }
+  },
+
+  "forwardPorts": [3000],
+
+  "postCreateCommand": "pnpm install && cd /workspaces/lp2/public/codes/expressjs/invest-app-auth && pnpm run dev",
+
+  "waitFor": "postCreateCommand",
+
+  "postAttachCommand": {
+    "Server": "pnpm start --host"
+  },
+
+  "customizations": {
+    "codespaces": {
+      "openFiles": ["src/index.js"]
+    },
+    "vscode": {
+      "extensions": ["esbenp.prettier-vscode"]
+    }
+  }
+}

src/content/classnotes/expressjs/auth/index.mdx

@@ -7,7 +7,8 @@ import CodeTree from '../../../../components/CodeTree.astro';
 
 # {frontmatter.title}
 
-[Código Fonte](https://github.com/ifpb/lp2/tree/main/public/codes/expressjs/invest-app-auth)
+{/* [Código Fonte](https://github.com/ifpb/lp2/tree/main/public/codes/expressjs/invest-app-auth) */}
+[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/ifpb/lp2?devcontainer_path=.devcontainer/invest-app-auth/devcontainer.json)
 
 <CodeTree src="/codes/expressjs/invest-app-auth" githubUrl={true} />