initial commit - working devcontainer

.devcontainer/Dockerfile

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+FROM alpine:3.23.0
+
+RUN apk update && apk add git npm python3 bash
+
+# Install Angular.js via NPM
+RUN npm install -g @angular/cli@21.2.14
+
+ENV SHELL /bin/bash

.devcontainer/default.nix

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+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.buildFHSEnv {
+  name = "dev-fhs";
+  targetPkgs = pkgs: [ pkgs.nodejs-slim pkgs.git pkgs.python3 pkgs.glibc ];
+}

.devcontainer/devcontainer.json

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+{
+  "name": "web_app",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "Angular.ng-template",
+        "magnobiet.sass-extension-pack"
+      ]
+    }
+  }
+}
+
+// Warning: Missing GLIBCXX >= 3.4.25! from 
+// Warning: Can't find libc.so or ldconfig, can't verify libc version
+// Warning: Missing GLIBC >= 2.28! from 

.gitignore

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+# See https://docs.github.com/get-started/getting-started-with-git/ignoring-files for more about ignoring files.
+
+# Compiled output
+/dist
+/tmp
+/out-tsc
+/bazel-out
+
+# Node
+/node_modules
+npm-debug.log
+yarn-error.log
+
+# IDEs and editors
+.idea/
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/mcp.json
+.history/*
+
+# Miscellaneous
+/.angular/cache
+.sass-cache/
+/connect.lock
+/coverage
+/libpeerconnection.log
+testem.log
+/typings
+__screenshots__/
+
+# System files
+.DS_Store
+Thumbs.db