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An architecture decision note for running stateless web apps on Scalingo: smallest viable design, trust boundaries around build-time secrets and addon credentials, operational checks for deploys and scaling, failure modes with mitigations, and conditions that would force a redesign.
Learn how to implement auto-scaling for worker processes in Scalingo to handle traffic bursts while controlling costs and avoiding resource thrashing.
An architecture decision guide for Discloud: maps the PaaS's hard constraints—ephemeral storage, single-region hosting, vertical-only scaling, no SLA—to concrete engineering requirements so you can decide before committing code.
Replit Deployments turns a workspace into a public web app with one click, but cold starts and native dependency limits matter. Here is how to decide if it fits your project.
Heroku's cheaper dynos sleep after ~30 minutes idle, causing slow cold starts. Here's how keep-alive pings work, their limits, and when upgrading is the right call.
Wire a Node/Express API to Railway Postgres using only internal DNS—no public database endpoint, no egress charges, and a stable hostname that survives redeploys.
Scalingo's container autoscaling trades money for latency headroom: it adds web containers during traffic spikes and removes them after. Here's how it works, a concrete configuration, and the database bottleneck it can't fix.
Move service-to-service calls off the public internet in Railway using .railway.internal DNS and reference variables, with environment-scoped isolation and a private Postgres example.
Learn why files disappear on Scalingo and how to transition from a local filesystem to a stateless architecture using object storage and managed databases.
scalingo
replit
heroku
railway