Posts tagged: containers

dot dockerenv

2026-03-18T10:07:16Z

Today I learned that docker creates an empty /.dockerenv file to indicate that you are running in a docker container. Other runtimes like podman commonly use /run/.containerenv. kubernetes uses neither of these, the most common way to detect if you are running in kubernetes is to check for the presence of the KUBERNETES_SERVICE_HOST environment variable. There will also be a directory at /var/run/secrets/kubernetes.io/serviceaccount that contains the service account credentials if you are running in kubernetes.

backup distrobox image

2025-04-09T17:35:50Z

Today I’m upgrading my distrobox, but don’t want to end up in a situation where I can’t get anything done becauase I work out of my distrobox.

distrobox ls
distrobox stop devtainer
distrobox create --clone devtainer --name devtainer-20250409
distrobox enter devtainer

💭 Diun

2025-04-07T13:33:20Z

Diun

Receive notifications when a Docker image is updated on a Docker registry

crazymax.dev

Diun, looks like a very interesting tool to monitor for image updates, it does not make any change, it only makes notifications. This feels like an easy start to getting image updates started with low effort, keep git ops, but requires manual updates. I see this as a tool that would be a great start and pair well with automated image updaters to ensure they are working as expected.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

postiz-file-upload

2025-01-10T20:35:39Z

Today I learned that the docs in postiz are a bit behind, (fantastic docs btw, they are to the point, and cover almost all of what you need). The docs state that you need to include an R2 bucket to handle uploads.

This issue shows that more work has been done, one of which is local storage. The compose file they use in the quick start has the required env variables to set this up.

      STORAGE_PROVIDER: "local"
      UPLOAD_DIRECTORY: "/uploads"
      NEXT_PUBLIC_UPLOAD_DIRECTORY: "/uploads"

looking into my running instance I can see my images there.

⬢ [devtainer] ❯ podman exec postiz ls /uploads/2025/01/09
811747b3f703f5d9a7f10aff5103412ff0.jpeg
a221db10a76f0c414171ab417379b09ec.jpeg

💭 Status | Depot

2024-12-25T02:22:53Z

Depot Status

Latest service status for Depot

Depot Status · status.depot.dev

Depot’s uptime seems to be great. I definitely hit some issues with it this afternoon 12/24/24 that were not reported. I wonder if my issues were with the fly integration. Maybe fly ran out of credits to depot or something.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Deploy to Fly using a Depot builder

2024-12-25T02:20:08Z

Deploy to Fly using a Depot builder

Using Fly.io's new Depot builder, we'll walk you through how to deploy a TypeScript service globally with speed.

Depot · depot.dev

Here the integration to depot appears to be opt in using the --depot flag on fly deploy. This must have changed over time though because today it was giving me issues and I had to opt out using fly deploy --depot='false'. Looks like a great service and I just learned about them on their bad day.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Depot

2024-12-25T02:17:47Z

Depot

Exponentially faster builds for everyone.

Depot · depot.dev

Just learned about depot today ironically because it seems to be down and fly is using them under the hood to do the container builds, seems like a really great service for fast builds accross your team.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 docker context (and an issue to question your sanity) | Pype.dev

2024-12-19T17:56:46Z

docker context (and an issue to question your sanity) | Nic Payne

docker contexts are great, would recommend putting them in your prompt though (via starship or something else)... here's why I like to manage my containers

pype.dev

Dang context can really cause you to pull your hair out. Context seems so freaking convenient, but I’ve avoided it and just ssh in for these reasons. Maybe I’ll come around eventually but for now ssh is my friend.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Introduction - bootc

2024-11-21T01:45:34Z

External Link

containers.github.io

bootc is the underlying technology that enables OS’s like bazzite, and Aurora from the uBlue ecosystem.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Distrobox

2024-05-22T18:13:13Z

Distrobox

Use any linux distribution inside your terminal.

distrobox.it

distrobox gives you distrobox-host-exec to run commands on the host. This is handy to get access to host level clis that you probably wouldn’t want to run from the container like podman, docker, flatpak.

DESCRIPTION distrobox-host-exec lets one execute command on the host, while inside of a container.

Under the hood, distrobox-host-exec uses host-spawn a project that lets us execute commands back on the host. If the tool is not found the user will be prompted to install it.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Uptime Kuma

2023-11-11T02:46:12Z

Uptime Kuma

A self-hosted monitoring tool

uptime.kuma.pet

Uptime kuma is a fantastic self hosted monitoring tool. One docker run command and you are up and running. Once you are in you have full control over checking status of urls, frequency, allowed timeouts, and a HUGE list of notification providers

docker run -d --restart=always -p 3001:3001 -v uptime-kuma:/app/data --name uptime-kuma louislam/uptime-kuma:1

I deployed it in my homelab today.

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Creating k8s jobs with python

2023-10-28T00:52:24Z

External Link

thoughts.waylonwalker.com

I was looking to add running kubernetes jobs to a python cli I am creating, and I found this solution, mostly thanks to ollama run mistral:7b-instruct-q4_K_M and my loose understanding of what the yaml syntax is supposed to look like for a kubernetes job. This will let me create a job in the cluster, choose the image that runs, the command that is called, and how long until the job expires and is cleaned up. While the job still exists I can go in and look at the logs, but once its ttl has expired they are gone.

from kubernetes import client, config

# Load the default kubeconfig
config.load_kube_config()

# Define the API client for batch jobs
api_instance = client.BatchV1Api()

# Create a new job object
job = client.V1Job(
    api_version="batch/v1",
    kind="Job",
    metadata=client.V1ObjectMeta(name="myjob"),
    spec=client.V1JobSpec(
        ttl_seconds_after_finished=100,
        template=client.V1PodTemplateSpec(
            metadata=client.V1ObjectMeta(labels={"app": "myjob"}),
            spec=client.V1PodSpec(
                containers=[
                    client.V1Container(
                        name="myjobcontainer",
                        image="busybox",
                        command=["ls", "/"],
                    ),
                ],
                restart_policy="Never",
            ),
        ),
        backoff_limit=1,
    ),
)

# Call the Kubernetes API to create the job
api_instance.create_namespaced_job(namespace="default", body=job)

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Translate a Docker Compose File to Kubernetes Resources | Kube...

2023-10-22T02:04:18Z

Translate a Docker Compose File to Kubernetes Resources

What

Kubernetes · kubernetes.io

kompose is a sick cli to convert docker-compose.yml to kubernetes manifest.

# install

curl -L https://github.com/kubernetes/kompose/releases/download/v1.26.0/kompose-linux-amd64 -o kompose

kompose convert
kompose convert -o deployment.yaml

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts

💭 Daniel Nashed's Blog

2023-10-21T01:49:41Z

Running your own docker registry in one line

podman run -d -p 5000:5000 --restart=always --name registry registry:latest

Note

This post is a thought. It’s a short note that I make about someone else’s content online #thoughts