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Apps Overview

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What is an Aptible App?

An Aptible App is a containerized web application. Aptible Apps have the following compatibility requirements:
  • Apps run on Linux in Docker containers
  • Apps only receive traffic over HTTP or TCP
Apps do not have persistent storage by default. To store your data with persistence, we recommend using a Database or third-party storage solution, such as AWS S3. For workloads that need a small amount of durable local state, you can attach a Persistent Disk to a single-container App service. Like Aptible’s general architecture, Apps run on EC2 instances under the hood, which is why containers can be distributed across separate Availability Zones for scaling and high availability, covered below. Apps are made up of three components:
  • An Image: Deploy directly from a Docker image, or push your code to Aptible with git push and the platform will build a Docker image for you.
  • Services: Services define how many containers Aptible will start for your app, what command they will run, and their Memory and CPU Limits. A single App can define multiple Services for different roles, such as web, worker, cmd, or cron, each running and scaling independently.
  • Configuration (optional): The configuration is a set of keys and values securely passed to the containers as environment variables. For example - secrets are passed as configurations.

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Deployments

Aptible’s Apps are designed for easy deployment and simplified management for developers. You can deploy code via Git, Docker Image, and CI/CD integration. The process is similar regardless of method:
  • You define your Services and Configuration (such as environment variables)
  • Aptible provisions the underlying infrastructure securely and reliably
If a deployment fails, Aptible supports both:
  • Automatic rollbacks for when things fail
  • to revert to any previous Release on demand

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High Availability

Scale any App to two or more containers, and Aptible automatically deploys it in a high-availability configuration: containers are distributed across separate AWS Availability Zones and deployed with zero downtime. There’s no extra setup, HA comes standard the moment you cross that container count.
Services with an attached Persistent Disk are an exception: they run on a single container and incur a brief interruption on every deploy.

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Scaling

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Scale on Demand

Scale on demand by setting your container count, and adjust CPU/RAM by selecting a Container Profile to change the ratio. Aptible offers three Container Profiles: General Purpose, CPU-Optimized, and Memory Optimized. Aptible also provides in-app recommendations for scaling, which flag when a Service is under- or over-provisioned and suggest the most optimal Container Profile and size.

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Advanced Autoscaling

Aptible also supports advanced autoscaling:

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Connectivity

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Public/Private Access

Configure your App’s Endpoint for public or private access. A Public URL exposes your App to the internet, with traffic automatically load-balanced across all containers for the service. You can optionally add an IP allowlist to restrict which clients are allowed to connect. For private access, expose an Internal Endpoint to your Stack’s internal network instead, for cases where only other services on your Stack should reach the App.

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Ephemeral SSH Sessions

Create an Ephemeral SSH Session configured identically to your App containers. Ephemeral SSH Sessions are great for debugging, one-off scripts, and running ad-hoc jobs, without needing to modify a running Service just to get a shell.

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Learn more using Apps on Aptible

Deploying Apps

Learn to deploy your code into Apps with an image, Services, and Configuration

Connecting to Apps

Learn to expose your App to the internet with Endpoints and connect with ephemeral SSH sessions

Managing Apps

Learn to scale, restart, rename, restart, and delete your Apps