Cogini Blog Articles in the DevOps category

Jake Morrison

Running Ecto migrations in a release

In a dev or test environment, we execute the mix ecto.migrate command to run database migrations. When running from a release, the mix command is not available, so we execute Ecto.Migrator.run/4 from code via the release's eval command. Read more…

Jake Morrison

A new approach to deploying Elixir apps: mix_deploy

A new approach to deploying Elixir apps: mix_deploy Read more…

Jake Morrison

Best practices for deploying Elixir apps

Best practices for deploying Elixir and Phoenix apps, with a working example Read more…

Jake Morrison

Deploying Elixir apps with Ansible

Deploying Elixir apps with Ansible, an easy-to-use standard tool for managing servers. Read more…

Jake Morrison

Deploying an Elixir app to Digital Ocean with mix_deploy

A gentle introduction to getting your Elixir / Phoenix app up and running on a server at Digital Ocean. Read more…

Jake Morrison

Managing user accounts with Ansible

As part of developing and deploying web applications, we need to be able to manage OS user accounts and control access for developers and systems admins. To do this, we wrote an Ansible role to manage users. Read more…

Jake Morrison

Multiple databases with Digital Ocean Managed Databases Service

Setting up multiple databases and users with restricted permissions on Digital Ocean's Managed Databases service. Read more…

Jake Morrison

Running Ecto migrations in production releases with Distillery custom commands

In a dev or test environment, we execute the mix ecto.migrate command to run database migrations. When running from a release, the mix command is not available, so we execute Ecto.Migrator.run/4 from code via a Distillery custom command command. Read more…

Jake Morrison

Tuning TCP ports for your Elixir app

Elixir is great at handling lots of concurrent connections. When you actually try to do this, however, you will bump up against the default OS configuration which limits the number of open filehandles/sockets. You may also run out of TCP ephemeral ports. Read more…

Jake Morrison

Configure ssh to connect to a server

How to configure ssh to connect to a server using an ssh key for access Read more…

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