Containers

Docker deployment without owning infrastructure.

• How to Set Up an Invoicing and Bills App Using Only Your Browser

  tutorial

  Fork a template, switch on PostgreSQL, open the URL: invoices, bills and a weekly money view on Back4app Containers. No terminal; every number measured.

• Why Your App Works Locally and Crashes When You Deploy It [Full Repo]

  error-guide

  Four faults an AI coding tool leaves in a working app, each reproduced with its real output, and the one line that fixes each. Oct 2026.

• How to Build a Cash Flow Tracker With JavaScript

  tutorial

  Demo, full source and deploy guide: a three-screen cash flow tracker with login, server-side rules and no Dockerfile. 159 checks pass on the live backend.

• How to Host a Flutter Web App With Docker, Without Managing a Server [Full Repo]

  tutorial

  Compile a Flutter web build, serve it from nginx in a container, and deploy it from a GitHub repository on the free plan. Measured Sept 2026.

• How to Host a Static Website on Back4app Containers With Docker and nginx [Full Repo]

  tutorial

  Put your HTML in a container and deploy it. The usual Dockerfile builds a 254 MB image; the same page ships from 75.9 MB and goes live in 9s. Sept 2026.

• How to Run a Node.js Bot, Webhook or Cron Job 24/7 Without a VPS [Full Repo]

  tutorial

  One 75-line Node container ran a signed webhook, a cron tick and a queue worker around the clock, state in a managed backend — measured Sept 2026, no VPS.

• How to Deploy a Next.js SSR App With Docker and a Backend [Full Repo]

  tutorial

  Deploy a server-rendered Next.js 15 app with Docker and a managed backend: per-request rendering on a container, keys never in the browser, 6-min first build.

• How to Deploy FastAPI With Docker and a Database, Without Managing a Server [Full Repo]

  tutorial

  Deploy a FastAPI app with Docker and a managed database: 80 lines of Python, a 7-line Dockerfile, live behind HTTPS in 86 seconds, and the bug Pydantic missed.

• How to Deploy a Node.js App With Docker and a Database, Without Managing a Server [Full Repo]

  tutorial

  Deploy a Node.js app with Docker and a managed database: a 42-line Express app, an 8-line Dockerfile, live behind HTTPS in 42 seconds, no server to administer.