setup devcontainer

.devcontainer/Dockerfile

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+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+
+# To fully customize the contents of this image, use the following Dockerfile instead:
+# https://github.com/microsoft/vscode-dev-containers/tree/v0.117.1/containers/typescript-node-12/.devcontainer/Dockerfile
+FROM mcr.microsoft.com/devcontainers/typescript-node:24
+
+# ** [Optional] Uncomment this section to install additional packages. **
+#
+# ENV DEBIAN_FRONTEND=noninteractive
+# RUN apt-get update \
+#    && apt-get -y install --no-install-recommends <your-package-list-here> \
+#    #
+#    # Clean up
+#    && apt-get autoremove -y \
+#    && apt-get clean -y \
+#    && rm -rf /var/lib/apt/lists/*
+# ENV DEBIAN_FRONTEND=dialog

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.117.1/containers/typescript-node-12
+{
+	"name": "Node.js 24 & TypeScript",
+	"dockerFile": "Dockerfile",
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"terminal.integrated.shell.linux": "/bin/bash"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+    "vivaxy.vscode-conventional-commits",
+    "dbaeumer.vscode-eslint",
+    "ms-vscode.vscode-typescript-tslint-plugin",
+    "eamodio.gitlens",
+    "esbenp.prettier-vscode"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [3000, 3001],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "yarn install",
+
+	"postCreateCommand": "npm install",
+
+	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "node"
+}