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Files changed (8) hide show
  1. Dockerfile +10 -0
  2. app.py +84 -0
  3. requirements.txt +3 -0
  4. static/style.css +10 -0
  5. templates/base.html +14 -0
  6. templates/dashboard.html +24 -0
  7. templates/login.html +15 -0
  8. templates/signup.html +16 -0
Dockerfile ADDED
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+ FROM python:3.10
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+
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+ WORKDIR /app
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+
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+ COPY requirements.txt .
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+ RUN pip install -r requirements.txt
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+
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+ COPY . .
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+
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+ CMD ["python", "app.py"]
app.py ADDED
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+ from flask import Flask, render_template, request, redirect, url_for, session
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+ from werkzeug.security import generate_password_hash, check_password_hash
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+ import os
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+ from sklearn.datasets import load_iris
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+ from sklearn.linear_model import LogisticRegression
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+
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+ app = Flask(__name__)
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+ app.secret_key = os.environ.get("SECRET_KEY", "supersecretkey123")
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+
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+ # Train ML Model
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+ iris = load_iris(as_frame=True)
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+ X, y = iris.data.values, iris.target
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+ species = iris.target_names
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+ iris_model = LogisticRegression(max_iter=300)
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+ iris_model.fit(X, y)
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+
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+ # In-memory DB
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+ users = {}
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+
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+ @app.route("/")
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+ def home():
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+ if "user" in session:
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+ return redirect(url_for("dashboard"))
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+ return redirect(url_for("login"))
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+
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+ @app.route("/signup", methods=["GET", "POST"])
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+ def signup():
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+ if request.method == "POST":
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+ username = request.form["username"]
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+ password = request.form["password"]
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+ confirm = request.form.get("confirmPassword")
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+
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+ if password != confirm:
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+ return render_template("signup.html", error="Passwords do not match")
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+ if username in users:
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+ return render_template("signup.html", error="Username already exists")
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+
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+ users[username] = generate_password_hash(password)
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+ session["user"] = username
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+ return redirect(url_for("dashboard"))
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+ return render_template("signup.html")
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+
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+ @app.route("/login", methods=["GET", "POST"])
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+ def login():
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+ if request.method == "POST":
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+ username = request.form["username"]
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+ password = request.form["password"]
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+
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+ if username in users and check_password_hash(users[username], password):
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+ session["user"] = username
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+ return redirect(url_for("dashboard"))
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+ return render_template("login.html", error="Invalid username or password")
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+ return render_template("login.html")
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+
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+ @app.route("/dashboard")
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+ def dashboard():
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+ if "user" not in session:
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+ return redirect(url_for("login"))
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+ return render_template("dashboard.html", username=session["user"])
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+
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+ @app.route("/predict", methods=["POST"])
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+ def predict():
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+ if "user" not in session:
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+ return redirect(url_for("login"))
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+
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+ try:
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+ sl = float(request.form["sepal_length"])
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+ sw = float(request.form["sepal_width"])
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+ pl = float(request.form["petal_length"])
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+ pw = float(request.form["petal_width"])
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+ except Exception:
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+ return render_template("dashboard.html", username=session["user"], error="Invalid input values", scroll_to="predictor")
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+
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+ res_idx = iris_model.predict([[sl, sw, pl, pw]])[0]
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+ res = species[res_idx]
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+ return render_template("dashboard.html", username=session["user"], prediction=res, scroll_to="predictor")
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+
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+ @app.route("/logout")
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+ def logout():
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+ session.pop("user", None)
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+ return redirect(url_for("login"))
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+
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+ if __name__ == "__main__":
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+ app.run(host="0.0.0.0", port=7860, debug=True)
requirements.txt ADDED
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+ flask
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+ werkzeug
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+ scikit-learn
static/style.css ADDED
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+ body {
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+ background: linear-gradient(135deg,#0b1020,#0a0f1a);
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+ color: #e6edf3;
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+ }
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+ .btn-gradient {
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+ background: linear-gradient(135deg, #8b5cf6, #22d3ee);
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+ border: none;
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+ color: white;
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+ }
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+ .btn-gradient:hover { filter: brightness(1.1); }
templates/base.html ADDED
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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>{{ title if title else "Flask Portfolio" }}</title>
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+ <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
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+ <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css" rel="stylesheet">
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+ <link href="{{ url_for('static', filename='style.css') }}" rel="stylesheet">
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+ </head>
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+ <body>
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+ {% block content %}{% endblock %}
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+ </body>
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+ </html>
templates/dashboard.html ADDED
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+ {% extends "base.html" %}
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+ {% block content %}
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+ <div class="container py-5">
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+ <h1 class="mb-4">Welcome, {{ username }}!</h1>
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+
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+ {% if error %}<div class="alert alert-danger">{{ error }}</div>{% endif %}
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+ {% if prediction %}<div class="alert alert-success">The predicted flower species is: <strong>{{ prediction }}</strong></div>{% endif %}
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+
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+ <section id="predictor" class="card p-4 mb-4">
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+ <h2>Iris Flower Predictor</h2>
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+ <form method="POST" action="{{ url_for('predict') }}">
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+ <div class="row g-3">
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+ <div class="col-md-3"><input type="number" step="0.1" name="sepal_length" class="form-control" placeholder="Sepal Length" required></div>
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+ <div class="col-md-3"><input type="number" step="0.1" name="sepal_width" class="form-control" placeholder="Sepal Width" required></div>
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+ <div class="col-md-3"><input type="number" step="0.1" name="petal_length" class="form-control" placeholder="Petal Length" required></div>
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+ <div class="col-md-3"><input type="number" step="0.1" name="petal_width" class="form-control" placeholder="Petal Width" required></div>
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+ </div>
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+ <button type="submit" class="btn btn-gradient mt-3">Predict</button>
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+ </form>
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+ </section>
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+
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+ <a href="{{ url_for('logout') }}" class="btn btn-danger">Logout</a>
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+ </div>
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+ {% endblock %}
templates/login.html ADDED
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+ {% extends "base.html" %}
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+ {% block content %}
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+ <div class="container py-5">
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+ <div class="card p-4 mx-auto" style="max-width: 400px;">
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+ <h2 class="mb-3">Login</h2>
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+ {% if error %}<div class="alert alert-danger">{{ error }}</div>{% endif %}
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+ <form method="POST" action="{{ url_for('login') }}">
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+ <input type="text" name="username" class="form-control mb-3" placeholder="Username" required>
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+ <input type="password" name="password" class="form-control mb-3" placeholder="Password" required>
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+ <button type="submit" class="btn btn-gradient w-100">Login</button>
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+ </form>
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+ <p class="mt-3">No account? <a href="{{ url_for('signup') }}">Sign up</a></p>
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+ </div>
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+ </div>
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+ {% endblock %}
templates/signup.html ADDED
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+ {% extends "base.html" %}
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+ {% block content %}
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+ <div class="container py-5">
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+ <div class="card p-4 mx-auto" style="max-width: 400px;">
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+ <h2 class="mb-3">Sign Up</h2>
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+ {% if error %}<div class="alert alert-danger">{{ error }}</div>{% endif %}
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+ <form method="POST" action="{{ url_for('signup') }}">
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+ <input type="text" name="username" class="form-control mb-3" placeholder="Username" required>
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+ <input type="password" name="password" class="form-control mb-3" placeholder="Password" required>
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+ <input type="password" name="confirmPassword" class="form-control mb-3" placeholder="Confirm Password" required>
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+ <button type="submit" class="btn btn-gradient w-100">Sign Up</button>
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+ </form>
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+ <p class="mt-3">Already have an account? <a href="{{ url_for('login') }}">Login</a></p>
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+ </div>
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+ </div>
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+ {% endblock %}