oliverdavies.uk/content/node.16dc23db-86e4-4c5d-b479-3f92828dae12.yml

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title:
  - value: 'Docker and NixOS playing nicely together'
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  - value: '2024-12-10T00:00:00+00:00'
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      <p>As I've added software to my NixOS homelab server, I've found some things that aren't yet available in the nixpkgs repository.</p>

      <p>A common approach seems to be to use Docker and Docker Compose to run things in containers, especially ones that need multiple services like a web server, a database and a cache or proxy.</p>

      <p><a href="/daily/2024/12/09/drupal-devenv">I've moved my development projects from Docker to devenv</a>, but I still have Docker installed and available.</p>

      <p>I knew it was easy to create a container image from a Nix-based setup, but the opposite is also true.</p>

      <p>It's very easy to run containers within NixOS.</p>

      <p>For example, here's <a href="https://github.com/opdavies/dotfiles/blob/8cdc6a511dab5a31b1bc0a90bcdcf361043498e7/nix/modules/nixos/features/homelab/tubearchivist-container.nix">how I've configured Tube Archivist</a>.</p>

      <p>This was created using a tool called <code>compose2nix</code>, but I've seen simpler examples for other services.</p>

      <p>This made it easy to take a Docker Compose file and convert it to a Docker or Podman container.</p>

      <p>My preference is to use NixOS services if they exist, but it's great to be able to do this as an alternative when needed.</p>

              
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    processed: |
      <p>As I've added software to my NixOS homelab server, I've found some things that aren't yet available in the nixpkgs repository.</p>

      <p>A common approach seems to be to use Docker and Docker Compose to run things in containers, especially ones that need multiple services like a web server, a database and a cache or proxy.</p>

      <p><a href="/daily/2024/12/09/drupal-devenv">I've moved my development projects from Docker to devenv</a>, but I still have Docker installed and available.</p>

      <p>I knew it was easy to create a container image from a Nix-based setup, but the opposite is also true.</p>

      <p>It's very easy to run containers within NixOS.</p>

      <p>For example, here's <a href="https://github.com/opdavies/dotfiles/blob/8cdc6a511dab5a31b1bc0a90bcdcf361043498e7/nix/modules/nixos/features/homelab/tubearchivist-container.nix">how I've configured Tube Archivist</a>.</p>

      <p>This was created using a tool called <code>compose2nix</code>, but I've seen simpler examples for other services.</p>

      <p>This made it easy to take a Docker Compose file and convert it to a Docker or Podman container.</p>

      <p>My preference is to use NixOS services if they exist, but it's great to be able to do this as an alternative when needed.</p>

              
    summary: null
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