class Server(db.Model):
    __tablename__ = 'Server'
    id = db.Column(db.Integer, primary_key=True)
    server_name = db.Column(db.String(255))
    server_port = db.Column(db.Integer)
    server_user = db.Column(db.String(255))
    server_password = db.Column(db.String(255))
    user_ref = db.Column(db.Integer, db.ForeignKey('User.id'))

    def __init__(self, server_name, server_port, server_user, server_password, user_ref):
        self.server_name = server_name
        self.server_port = server_port
        self.server_user = server_user
        self.server_password = server_password
        self.user_ref = user_ref

def create_server(server_name, server_port, server_user, server_password, user_ref):
    srv_name = hmac.new(server_name, low_key).hexdigest()
    srv_port = server_port
    srv_user = hmac.new(server_user, low_key).hexdigest()
    srv_pwd = hmac.new(server_password, high_key).hexdigest()
    data = Server(srv_name, srv_port, srv_user, srv_pwd, user_ref)
    db.session.add(data)
    db.session.commit()

@app.route('/add-server/', methods=['GET', 'POST'])
def add_server_view():
    if request.method == 'post':
         server_name = request.form['server_name']
         server_port = request.form['server_port']
         server_user = request.form['server_user']
         server_password = request.form['server_password']
         username = session['username']
         user_id = User.query.filter(User.username == username).first().id
         create_server(
            server_name=server_name,
            server_port=server_port,
            server_user=server_user,
            server_password=server_password,
            user_ref=user_id)
        flash("Server Added!")
        return redirect(url_for('myprofile_view', username=username))
    return render_template('add_server.html')

<div class="container">
    <form action="{{ url_for('add_server_view') }}" method="post" enctype="application/x-www-form-urlencoded">
        <h3>Add Server:</h3>
        <label><p>Server Name:</p></label>
        <input type="text" placeholder="Add here the Server Name." name="server_name" required>
        <label><p>Server Port:</p></label>
        <input type="number" placeholder="Add here the Server Port." name="server_port" required>
        <label><p>Server User:</p></label>
        <input type="text" placeholder="Add here the Server User." name="server_user" required>
        <label><p>Server Password:</p></label>
        <input type="password" placeholder="Add here the Server Password." name="server_password" required>
        <br><br>{#
        {{ recaptcha }}
        #}<br/>
        <button type="submit">Submit</button>
    </form>
</div>