Demo Scaling

# app.py
import os
import socket
import random
from flask import Flask, render_template

app = Flask(__name__)

color_codes = {
    "red": "#e74c3c",
    "green": "#16a085",
    "blue": "#2980b9",
    "blue2": "#30336b",
    "pink": "#be2edd",
    "darkblue": "#130f40"
}

# Choose a color from environment or select one at random
color = os.environ.get('APP_COLOR') or random.choice(
    ["red", "green", "blue", "blue2", "darkblue", "pink"]
)

@app.route("/")
def main():
    # Use .get to avoid KeyError if a color name is unknown
    return render_template(
        'hello.html',
        name=socket.gethostname(),
        color=color_codes.get(color, "#ffffff")
    )

@app.route('/color/<new_color>')
def new_color(new_color):
    # Safely look up the new color; fall back to white if unknown
    return render_template(
        'hello.html',
        name=socket.gethostname(),
        color=color_codes.get(new_color, "#ffffff")
    )

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=8080)

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Pushed 10/10 layers, 100% complete
Push successful
Build #1 is complete

# Example route annotation keys (shown as a reference)
# haproxy.router.openshift.io/balance
# haproxy.router.openshift.io/disable_cookies
# haproxy.router.openshift.io/cookie_name
# haproxy.router.openshift.io/pod-concurrent-connections

metadata:
  annotations:
    haproxy.router.openshift.io/balance: "roundrobin"
    haproxy.router.openshift.io/disable_cookies: "true"