Render Has a Free API — Deploy Apps and Manage Services Programmatically

#devops #api #tutorial #webdev

Heroku Alternative With an API

Render gives you free web services, databases, and cron jobs. Their API lets you manage deployments, scale services, and check logs programmatically.

Setup

import requests

API_KEY = "rnd_your_api_key"  # Dashboard > Account > API Keys
BASE = "https://api.render.com/v1"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

List Services

def list_services():
    r = requests.get(f"{BASE}/services", headers=HEADERS)
    return [{"name": s["service"]["name"], "id": s["service"]["id"],
             "status": s["service"]["suspended"], "url": s["service"].get("serviceDetails", {}).get("url")}
            for s in r.json()]

for s in list_services():
    print(f"{s[name]} — {s[url]}")

Trigger Deploy

def deploy(service_id):
    r = requests.post(f"{BASE}/services/{service_id}/deploys", headers=HEADERS)
    return r.json()

# Deploy after pushing code
deploy("srv-your-service-id")

Get Deploy Logs

def get_deploys(service_id, limit=5):
    r = requests.get(f"{BASE}/services/{service_id}/deploys",
                     headers=HEADERS, params={"limit": limit})
    return [{"id": d["deploy"]["id"], "status": d["deploy"]["status"],
             "created": d["deploy"]["createdAt"]}
            for d in r.json()]

for d in get_deploys("srv-id"):
    print(f"{d[created][:16]} — {d[status]}")

Scale Service

def scale(service_id, num_instances):
    r = requests.patch(f"{BASE}/services/{service_id}/scale",
                       headers=HEADERS,
                       json={"numInstances": num_instances})
    return r.status_code == 200

Free Tier

750 hours/month web services
100GB bandwidth/month
Auto-deploy from GitHub
Free PostgreSQL (90 days)
Free Redis (25MB)
Cron jobs

More | GitHub

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