Merge pull request #9 from elizabeth-ikechukwu/feat/week3-frontend-compose

feat: add React frontend. Nginix reverse proxy, Docker Compose

app/frontend/Dockerfile

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+# Stage 1: Build the React app
+FROM node:24-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+
+# Stage 2: Serve with Nginx
+FROM nginx:alpine
+
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

app/frontend/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+    <title>Task Platform</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+</html>

app/frontend/nginx.conf

@@ -0,0 +1,16 @@
+server {
+    listen 80;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html;
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api/ {
+        proxy_pass http://backend:3000/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+    }
+}

app/frontend/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "task-frontend",
+  "private": true,
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-react": "^4.3.4",
+    "vite": "^6.0.5"
+  }
+}

app/frontend/src/App.jsx

@@ -0,0 +1,155 @@
+import { useEffect, useState } from 'react'
+
+const API = '/api'
+
+export default function App() {
+  const [tasks, setTasks] = useState([])
+  const [title, setTitle] = useState('')
+  const [loading, setLoading] = useState(true)
+  const [adding, setAdding] = useState(false)
+
+  const fetchTasks = async () => {
+    const res = await fetch(`${API}/tasks`)
+    const data = await res.json()
+    setTasks(data)
+    setLoading(false)
+  }
+
+  useEffect(() => { fetchTasks() }, [])
+
+  const addTask = async () => {
+    if (!title.trim()) return
+    setAdding(true)
+    await fetch(`${API}/tasks`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ title })
+    })
+    setTitle('')
+    setAdding(false)
+    fetchTasks()
+  }
+
+  const toggleTask = async (id) => {
+    await fetch(`${API}/tasks/${id}`, { method: 'PATCH' })
+    fetchTasks()
+  }
+
+  const deleteTask = async (id) => {
+    await fetch(`${API}/tasks/${id}`, { method: 'DELETE' })
+    fetchTasks()
+  }
+
+  const completed = tasks.filter(t => t.completed).length
+  const remaining = tasks.filter(t => !t.completed).length
+  const progress = tasks.length > 0 ? (completed / tasks.length) * 100 : 0
+
+  return (
+    <div className="app">
+
+      {/* LEFT PANEL */}
+      <div className="sidebar">
+        <div className="sidebar-top">
+          <div className="brand">
+            <div className="brand-icon">✓</div>
+            <div>
+              <h1>TaskFlow</h1>
+              <p className="brand-sub">Personal workspace</p>
+            </div>
+          </div>
+
+          <div className="stats">
+            <div className="stat-card">
+              <span className="stat-number">{tasks.length}</span>
+              <span className="stat-label">Total</span>
+            </div>
+            <div className="stat-card accent">
+              <span className="stat-number">{remaining}</span>
+              <span className="stat-label">Remaining</span>
+            </div>
+            <div className="stat-card green">
+              <span className="stat-number">{completed}</span>
+              <span className="stat-label">Done</span>
+            </div>
+          </div>
+
+          <div className="progress-section">
+            <div className="progress-header">
+              <span>Progress</span>
+              <span>{Math.round(progress)}%</span>
+            </div>
+            <div className="progress-bar">
+              <div className="progress-fill" style={{ width: `${progress}%` }} />
+            </div>
+          </div>
+        </div>
+
+        <div className="sidebar-footer">
+          <p className="built-by">Built with Node.js · Docker · Nginx</p>
+          <p className="built-by">Deployed via Docker Compose</p>
+        </div>
+      </div>
+
+      {/* RIGHT PANEL */}
+      <div className="main">
+
+        <div className="main-header">
+          <div>
+            <h2>My Tasks</h2>
+            <p className="main-sub">Stay focused. Ship things.</p>
+          </div>
+        </div>
+
+        <div className="input-area">
+          <input
+            value={title}
+            onChange={e => setTitle(e.target.value)}
+            onKeyDown={e => e.key === 'Enter' && addTask()}
+            placeholder="What needs to be done? Press Enter or click Add..."
+          />
+          <button className="btn-add" onClick={addTask} disabled={adding}>
+            {adding ? '...' : '+ Add Task'}
+          </button>
+        </div>
+
+        <div className="task-section">
+          {loading && <p className="empty">Loading your tasks...</p>}
+
+          {!loading && tasks.length === 0 && (
+            <div className="empty-state">
+              <div className="empty-icon">📋</div>
+              <p className="empty-title">No tasks yet</p>
+              <p className="empty-desc">Add your first task above to get started</p>
+            </div>
+          )}
+
+          {tasks.filter(t => !t.completed).length > 0 && (
+            <div className="task-group">
+              <p className="group-label">● Active</p>
+              {tasks.filter(t => !t.completed).map(task => (
+                <div key={task.id} className="task-item">
+                  <button className="check-btn" onClick={() => toggleTask(task.id)} title="Mark complete" />
+                  <span className="task-title">{task.title}</span>
+                  <button className="delete-btn" onClick={() => deleteTask(task.id)}>Delete</button>
+                </div>
+              ))}
+            </div>
+          )}
+
+          {tasks.filter(t => t.completed).length > 0 && (
+            <div className="task-group">
+              <p className="group-label done-label">✓ Completed</p>
+              {tasks.filter(t => t.completed).map(task => (
+                <div key={task.id} className="task-item completed">
+                  <button className="check-btn checked" onClick={() => toggleTask(task.id)} title="Mark incomplete">✓</button>
+                  <span className="task-title">{task.title}</span>
+                  <button className="delete-btn" onClick={() => deleteTask(task.id)}>Delete</button>
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}

app/frontend/src/index.css

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+@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');
+
+*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+
+:root {
+  --bg: #0a0b0f;
+  --surface: #111318;
+  --surface2: #16181f;
+  --border: #1e2028;
+  --accent: #6366f1;
+  --accent-dim: rgba(99,102,241,0.12);
+  --green: #22c55e;
+  --green-dim: rgba(34,197,94,0.12);
+  --red: #ef4444;
+  --red-dim: rgba(239,68,68,0.12);
+  --text: #f1f5f9;
+  --text-2: #94a3b8;
+  --text-3: #3d4257;
+}
+
+body {
+  font-family: 'DM Sans', sans-serif;
+  background: var(--bg);
+  color: var(--text);
+  min-height: 100vh;
+  overflow: hidden;
+}
+
+/* LAYOUT */
+.app {
+  display: grid;
+  grid-template-columns: 300px 1fr;
+  min-height: 100vh;
+}
+
+/* SIDEBAR */
+.sidebar {
+  background: var(--surface);
+  border-right: 1px solid var(--border);
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  padding: 36px 28px;
+}
+
+.sidebar-top { display: flex; flex-direction: column; gap: 36px; }
+
+.brand { display: flex; align-items: center; gap: 14px; }
+
+.brand-icon {
+  width: 44px;
+  height: 44px;
+  background: var(--accent);
+  border-radius: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 1.1rem;
+  font-weight: 800;
+  color: white;
+  flex-shrink: 0;
+  box-shadow: 0 0 24px rgba(99,102,241,0.35);
+  font-family: 'Syne', sans-serif;
+}
+
+h1 {
+  font-family: 'Syne', sans-serif;
+  font-size: 1.2rem;
+  font-weight: 800;
+  color: var(--text);
+  letter-spacing: -0.5px;
+}
+
+.brand-sub {
+  font-size: 0.72rem;
+  color: var(--text-3);
+  font-weight: 500;
+  margin-top: 2px;
+  text-transform: uppercase;
+  letter-spacing: 0.8px;
+}
+
+/* STATS */
+.stats {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.stat-card {
+  background: var(--surface2);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 14px 18px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  transition: border-color 0.2s;
+}
+
+.stat-card:hover { border-color: var(--text-3); }
+.stat-card.accent { border-color: rgba(99,102,241,0.3); background: var(--accent-dim); }
+.stat-card.green { border-color: rgba(34,197,94,0.3); background: var(--green-dim); }
+
+.stat-number {
+  font-family: 'Syne', sans-serif;
+  font-size: 1.6rem;
+  font-weight: 800;
+  color: var(--text);
+  line-height: 1;
+}
+
+.stat-card.accent .stat-number { color: #818cf8; }
+.stat-card.green .stat-number { color: var(--green); }
+
+.stat-label {
+  font-size: 0.75rem;
+  color: var(--text-2);
+  font-weight: 500;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+/* PROGRESS */
+.progress-section { display: flex; flex-direction: column; gap: 10px; }
+
+.progress-header {
+  display: flex;
+  justify-content: space-between;
+  font-size: 0.78rem;
+  color: var(--text-2);
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.progress-bar {
+  height: 6px;
+  background: var(--border);
+  border-radius: 3px;
+  overflow: hidden;
+}
+
+.progress-fill {
+  height: 100%;
+  background: linear-gradient(90deg, var(--accent), var(--green));
+  border-radius: 3px;
+  transition: width 0.5s ease;
+}
+
+.sidebar-footer { padding-top: 20px; border-top: 1px solid var(--border); }
+
+.built-by {
+  font-size: 0.7rem;
+  color: var(--text-3);
+  font-weight: 500;
+  line-height: 1.8;
+  letter-spacing: 0.3px;
+}
+
+/* MAIN */
+.main {
+  display: flex;
+  flex-direction: column;
+  padding: 40px 48px;
+  overflow-y: auto;
+  max-height: 100vh;
+}
+
+.main-header {
+  margin-bottom: 32px;
+  padding-bottom: 24px;
+  border-bottom: 1px solid var(--border);
+}
+
+.main-header h2 {
+  font-family: 'Syne', sans-serif;
+  font-size: 1.8rem;
+  font-weight: 800;
+  color: var(--text);
+  letter-spacing: -0.8px;
+}
+
+.main-sub {
+  font-size: 0.85rem;
+  color: var(--text-3);
+  margin-top: 4px;
+  font-weight: 500;
+}
+
+/* INPUT */
+.input-area {
+  display: flex;
+  gap: 12px;
+  margin-bottom: 36px;
+}
+
+input {
+  flex: 1;
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 14px 20px;
+  font-size: 0.95rem;
+  font-family: 'DM Sans', sans-serif;
+  color: var(--text);
+  outline: none;
+  transition: border-color 0.15s, box-shadow 0.15s;
+}
+
+input::placeholder { color: var(--text-3); }
+
+input:focus {
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
+}
+
+.btn-add {
+  background: var(--accent);
+  color: white;
+  border: none;
+  border-radius: 10px;
+  padding: 14px 28px;
+  font-size: 0.9rem;
+  font-weight: 700;
+  font-family: 'DM Sans', sans-serif;
+  cursor: pointer;
+  transition: all 0.15s;
+  white-space: nowrap;
+  box-shadow: 0 4px 20px rgba(99,102,241,0.3);
+  letter-spacing: 0.2px;
+}
+
+.btn-add:hover { background: #4f46e5; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99,102,241,0.4); }
+.btn-add:active { transform: translateY(0); }
+.btn-add:disabled { opacity: 0.6; cursor: not-allowed; }
+
+/* TASK GROUPS */
+.task-section { display: flex; flex-direction: column; gap: 28px; }
+
+.task-group { display: flex; flex-direction: column; gap: 8px; }
+
+.group-label {
+  font-size: 0.72rem;
+  font-weight: 700;
+  color: var(--accent);
+  text-transform: uppercase;
+  letter-spacing: 1px;
+  margin-bottom: 4px;
+  padding-left: 4px;
+}
+
+.done-label { color: var(--green); }
+
+/* TASK ITEMS */
+.task-item {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 16px 20px;
+  transition: all 0.15s;
+  animation: slideIn 0.2s ease;
+}
+
+@keyframes slideIn {
+  from { opacity: 0; transform: translateY(6px); }
+  to { opacity: 1; transform: translateY(0); }
+}
+
+.task-item:hover {
+  border-color: var(--accent);
+  background: var(--surface2);
+  transform: translateX(3px);
+}
+
+.task-item.completed {
+  background: var(--green-dim);
+  border-color: rgba(34,197,94,0.25);
+}
+
+.task-item.completed:hover {
+  border-color: var(--green);
+  transform: translateX(3px);
+}
+
+/* CHECK BUTTON */
+.check-btn {
+  width: 24px;
+  height: 24px;
+  border-radius: 6px;
+  border: 2px solid var(--text-3);
+  background: transparent;
+  cursor: pointer;
+  flex-shrink: 0;
+  transition: all 0.15s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: transparent;
+  font-size: 0;
+}
+
+.check-btn:hover {
+  border-color: var(--green);
+  background: var(--green-dim);
+}
+
+.check-btn.checked {
+  background: var(--green);
+  border-color: var(--green);
+  color: white;
+  font-size: 0.75rem;
+  font-weight: 800;
+}
+
+/* TASK TITLE */
+.task-title {
+  flex: 1;
+  font-size: 0.95rem;
+  color: var(--text);
+  font-weight: 500;
+  line-height: 1.4;
+}
+
+.completed .task-title {
+  text-decoration: line-through;
+  text-decoration-color: var(--green);
+  text-decoration-thickness: 2px;
+  color: var(--text-2);
+}
+
+/* DELETE BUTTON */
+.delete-btn {
+  background: var(--red-dim);
+  border: 1px solid rgba(239,68,68,0.3);
+  color: var(--red);
+  font-size: 0.78rem;
+  font-weight: 600;
+  cursor: pointer;
+  padding: 6px 14px;
+  border-radius: 7px;
+  transition: all 0.15s;
+  font-family: 'DM Sans', sans-serif;
+  flex-shrink: 0;
+  letter-spacing: 0.2px;
+}
+
+.delete-btn:hover {
+  background: var(--red);
+  border-color: var(--red);
+  color: white;
+  transform: scale(1.05);
+}
+
+/* EMPTY STATE */
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 80px 0;
+  gap: 12px;
+}
+
+.empty-icon { font-size: 3rem; }
+
+.empty-title {
+  font-family: 'Syne', sans-serif;
+  font-size: 1.1rem;
+  font-weight: 700;
+  color: var(--text-2);
+}
+
+.empty-desc {
+  font-size: 0.85rem;
+  color: var(--text-3);
+  font-weight: 500;
+}
+
+.empty { color: var(--text-3); font-size: 0.9rem; padding: 40px 0; text-align: center; }

app/frontend/src/main.jsx

@@ -0,0 +1,10 @@
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.jsx'
+
+createRoot(document.getElementById('root')).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)

app/frontend/vite.config.js

@@ -0,0 +1,6 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig({
+  plugins: [react()],
+})

docker-compose.yml

@@ -0,0 +1,30 @@
+version: '3.8'
+
+services:
+  backend:
+    build:
+      context: ./app/backend
+      dockerfile: Dockerfile
+    container_name: task-backend
+    restart: unless-stopped
+    environment:
+      - PORT=3000
+    networks:
+      - task-network
+
+  frontend:
+    build:
+      context: ./app/frontend
+      dockerfile: Dockerfile
+    container_name: task-frontend
+    restart: unless-stopped
+    ports:
+      - "80:80"
+    depends_on:
+      - backend
+    networks:
+      - task-network
+
+networks:
+  task-network:
+    driver: bridge