414 lines
8.1 KiB
Python
414 lines
8.1 KiB
Python
from flask import Flask, request, redirect, url_for, render_template_string
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import os
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import psycopg2
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app = Flask(__name__)
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DB_HOST = os.getenv("DB_HOST")
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DB_NAME = os.getenv("DB_NAME")
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DB_USER = os.getenv("DB_USER")
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DB_PASSWORD = os.getenv("DB_PASSWORD")
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def get_db():
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conn = psycopg2.connect(
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host=DB_HOST,
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database=DB_NAME,
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user=DB_USER,
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password=DB_PASSWORD
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)
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return conn
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def init_db():
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conn = get_db()
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cur = conn.cursor()
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cur.execute("""
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CREATE TABLE IF NOT EXISTS items (
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id SERIAL PRIMARY KEY,
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text TEXT NOT NULL,
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created TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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""")
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conn.commit()
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cur.close()
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conn.close()
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init_db()
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TEMPLATE = """
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Cloud Notes Platform</title>
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<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: 'Inter', sans-serif;
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background: linear-gradient(135deg, #0f172a, #1e293b);
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color: #e2e8f0;
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min-height: 100vh;
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padding: 40px 20px;
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}
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.container {
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max-width: 1200px;
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margin: auto;
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}
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.hero {
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display: flex;
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justify-content: space-between;
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align-items: center;
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flex-wrap: wrap;
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gap: 20px;
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margin-bottom: 35px;
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}
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.hero h1 {
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font-size: 3rem;
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font-weight: 700;
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color: white;
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margin-bottom: 12px;
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}
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.hero p {
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color: #cbd5e1;
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max-width: 700px;
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line-height: 1.7;
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font-size: 1rem;
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}
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.status-badge {
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background: rgba(16, 185, 129, 0.15);
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border: 1px solid rgba(16, 185, 129, 0.4);
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color: #34d399;
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padding: 12px 20px;
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border-radius: 999px;
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font-size: 0.95rem;
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font-weight: 600;
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height: fit-content;
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}
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.grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 25px;
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}
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.card {
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background: rgba(15, 23, 42, 0.75);
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border: 1px solid rgba(255,255,255,0.08);
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backdrop-filter: blur(10px);
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border-radius: 22px;
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padding: 30px;
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box-shadow: 0 12px 30px rgba(0,0,0,0.3);
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}
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.card h2 {
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color: white;
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margin-bottom: 20px;
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font-size: 1.4rem;
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}
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textarea {
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width: 100%;
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min-height: 150px;
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border-radius: 16px;
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border: 1px solid rgba(255,255,255,0.08);
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background: #0f172a;
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color: white;
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padding: 16px;
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font-size: 1rem;
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resize: vertical;
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outline: none;
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transition: 0.2s ease;
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}
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textarea:focus {
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border-color: #3b82f6;
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box-shadow: 0 0 0 4px rgba(59,130,246,0.2);
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}
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button {
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margin-top: 18px;
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width: 100%;
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padding: 15px;
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border: none;
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border-radius: 14px;
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background: linear-gradient(135deg, #2563eb, #3b82f6);
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color: white;
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font-size: 1rem;
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font-weight: 600;
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cursor: pointer;
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transition: transform 0.2s ease, opacity 0.2s ease;
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}
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button:hover {
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transform: translateY(-2px);
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opacity: 0.95;
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}
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.notes-container {
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max-height: 550px;
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overflow-y: auto;
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padding-right: 5px;
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}
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.note {
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background: rgba(255,255,255,0.04);
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border: 1px solid rgba(255,255,255,0.06);
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border-radius: 16px;
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padding: 18px;
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margin-bottom: 18px;
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transition: 0.2s ease;
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}
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.note:hover {
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transform: translateY(-2px);
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border-color: rgba(59,130,246,0.35);
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}
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.note-header {
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display: flex;
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justify-content: space-between;
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margin-bottom: 12px;
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color: #94a3b8;
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font-size: 0.9rem;
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}
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.note-text {
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color: #f8fafc;
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line-height: 1.7;
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word-wrap: break-word;
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}
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.stats {
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display: flex;
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gap: 18px;
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margin-top: 25px;
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flex-wrap: wrap;
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}
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.stat-box {
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flex: 1;
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min-width: 180px;
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background: rgba(255,255,255,0.04);
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border: 1px solid rgba(255,255,255,0.05);
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border-radius: 16px;
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padding: 18px;
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}
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.stat-box h3 {
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color: #94a3b8;
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font-size: 0.95rem;
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margin-bottom: 10px;
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}
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.stat-box p {
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font-size: 1.7rem;
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font-weight: 700;
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color: white;
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}
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.footer {
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text-align: center;
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margin-top: 40px;
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color: #94a3b8;
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font-size: 0.95rem;
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}
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@media (max-width: 900px) {
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.grid {
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grid-template-columns: 1fr;
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}
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.hero h1 {
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font-size: 2.2rem;
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}
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="hero">
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<div>
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<h1>Cloud Notes Platform</h1>
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<p>
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A modern cloud-native Flask application deployed with Kubernetes,
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Docker containers, persistent storage, and automated deployment workflows.
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This platform demonstrates scalable cloud infrastructure concepts and
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production-ready deployment architecture.
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</p>
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</div>
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<div class="status-badge">
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Running Mode: {{ mode }}
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</div>
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</div>
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<div class="grid">
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<div class="card">
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<h2>Create New Note</h2>
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<form method="post">
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<textarea
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id="text"
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name="text"
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placeholder="Write your note here..."
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required
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></textarea>
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<button type="submit">
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Save Note
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</button>
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</form>
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<div class="stats">
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<div class="stat-box">
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<h3>Total Notes</h3>
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<p>{{ items|length }}</p>
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</div>
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<div class="stat-box">
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<h3>Infrastructure</h3>
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<p>K8s</p>
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</div>
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</div>
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</div>
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<div class="card">
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<h2>Stored Notes</h2>
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<div class="notes-container">
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{% for item in items %}
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<div class="note">
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<div class="note-header">
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<span>Note #{{ item.id }}</span>
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<span>{{ item.created }}</span>
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</div>
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<div class="note-text">
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{{ item.text }}
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</div>
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</div>
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{% else %}
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<div class="note">
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<div class="note-text">
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No notes stored yet.
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</div>
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</div>
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{% endfor %}
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</div>
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</div>
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</div>
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<div class="footer">
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Cloud Technologies Project • Flask • Docker • Kubernetes • Persistent Storage
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</div>
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</div>
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</body>
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</html>
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"""
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@app.route("/", methods=["GET", "POST"])
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def index():
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if request.method == "POST":
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text = request.form.get("text", "").strip()
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if text:
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conn = get_db()
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cur = conn.cursor()
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cur.execute(
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"INSERT INTO items (text) VALUES (%s)",
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(text,)
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)
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conn.commit()
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cur.close()
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conn.close()
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return redirect(url_for("index"))
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conn = get_db()
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cur = conn.cursor()
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cur.execute(
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"SELECT id, text, created FROM items ORDER BY id DESC"
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)
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rows = cur.fetchall()
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items = []
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for row in rows:
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items.append({
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"id": row[0],
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"text": row[1],
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"created": row[2]
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})
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cur.close()
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conn.close()
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mode = "Docker Compose + PostgreSQL"
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return render_template_string(
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TEMPLATE,
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items=items,
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mode=mode
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)
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if __name__ == "__main__":
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app.run(host="0.0.0.0", port=5000) |