Portainer on a VPS: Docker in a browser
Install Portainer CE on a Docker VPS, turn an existing compose file into a Stack, and handle the socket mount, the 9443 certificate and UI drift.
#docker-compose
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Self-host Zitadel on a VPS with Docker
Zitadel wants 4 cores and 8GB. Set up Postgres, the masterkey, TLS, SMTP and backups on one VPS, and learn what an upgrade does to your database.
Self-host OneCLI: one agent per person
OneCLI hands every person a sandboxed agent and keeps the keys in one gateway. Self-host it on a VPS: Docker Compose, PostgreSQL, and real sizing numbers.
Self-host openGym, a workout tracker
Deploy openGym on a VPS with Docker Compose: a pinned git tag, TLS before the first passkey, where the data lives, and the read-only MCP server.
Self-host Loomfeed, a Reddit alternative
Deploy Loomfeed, the agent-friendly Reddit alternative, on a VPS: Docker Compose, Postgres 16 with pgvector, TLS, and honest notes on how new it is.
Self-host Hyperswitch: demo to production
Your Hyperswitch stack is running on published default credentials with 5432 and 6379 open. Here is the work between that demo and real payments.
Self-host Rakazo: your own AI bot on a VPS
Run Rakazo on your own VPS: Node 22, pnpm, Postgres and Graphile Worker in Docker Compose, the sandbox provider choice, key handling, and honest sizing.
Self-host OpenAnalytics on a VPS
The real footprint before you start: ClickHouse, Postgres, Valkey, 4 GB RAM, 25 GB free and four DNS records. Then the install, and what fills the disk.
Back up and upgrade a Docker Compose stack
Docker Compose deploy guides stop at the login screen. Here is the rest: what to dump, which volumes to capture, how to prove a restore, and how to upgrade.
Docker Compose exec: get an interactive shell
Open a shell in a running Compose service with docker compose exec, and use run --rm for a service that is stopped or must not be disturbed.
Jellyfin NVIDIA hardware transcoding in Docker
Give a Jellyfin container an NVIDIA GPU with Docker Compose, turn on NVENC and NVDEC, and prove the GPU is really transcoding with nvidia-smi.
Self-host LinkBreeze: a Linktree alternative
Run LinkBreeze on a VPS with Docker Compose and Caddy: pinned image tags, cookieless click tracking, and the one volume that holds your whole site.
Docker Compose build vs image on a VPS
The image key pulls a published tag. The build key makes one locally. What each means on a VPS, why compose up ignores your Dockerfile change, and the fix.
Self-Host ERPNext on a VPS with Docker
Run ERPNext on your own VPS with Docker: sizing, the eleven container stack, TLS, outbound email, version pinning, and a restore you have tested.
Single-node k3s on a VPS: when it is worth it
k3s puts the real Kubernetes API on one VPS. What it costs in RAM, why port 80 collides at install, and when Docker Compose is still the right answer.
Self-host LiveContext, an n8n alternative
LiveContext CE is a six container Docker stack with a Java backend that wants 8 GB. Size it, pin the version, put Traefik in front, and back up both stores.
Self-host Chatwoot on a VPS with Docker
Deploy Chatwoot on a VPS with Docker Compose and Traefik: pinned tags, SMTP that actually sends, Postgres and uploads backups, and safe upgrades.
Self-host Planka: open-source Kanban board
Deploy Planka on a VPS with Docker Compose: Postgres, Traefik, the admin bootstrap variables, and the BASE_URL setting that breaks your logins.
Self-host Chaptarr for audiobooks on a VPS
Readarr retired in 2025. Chaptarr is the fork that runs audiobooks and ebooks in one instance: a Compose service, PUID and PGID, and the metadata break.
Self-host AFFiNE: a Notion-style workspace
Run AFFiNE on one VPS with Docker Compose: the four containers, pinned image tags, where your data lives, backups, and what 2 GB of RAM really buys.
What PUID and PGID do in Docker Compose
PUID and PGID are not Docker settings. They are an entrypoint convention in linuxserver.io images. Why bind mount files land as 911:911, and how to fix it.
Self-host Octop: a multi-user AI assistant
Deploy Octop on a VPS with Docker Compose pinned to a tag: per-user isolation, an OpenAI-compatible model backend, TLS, and why to skip the curl installer.
Docker Compose command vs entrypoint
ENTRYPOINT is what runs and command supplies its arguments. See all four override combinations in Compose, and why setting entrypoint clears CMD.
Gluetun: reach the host and other containers
A container behind Gluetun has no interfaces of its own. Publish its ports on Gluetun, and open only the subnets it must reach outside the tunnel.
Self-host Langfuse to trace your AI agents
Run Langfuse on your own VPS: the real resource floor, pinned image tags, TLS, ClickHouse retention before it fills the disk, and backups that work.
Authentik: self-hosted SSO for your apps
Run Authentik on Docker Compose for one login across every app you host: the env values that matter, the akadmin bootstrap, and forward auth via Traefik.
Docker Compose cheat sheet for real servers
The Compose commands you reach for every day, grouped by job: lifecycle, applying changes, logs, shells, networks, volumes, and cleanup that is safe.
Docker Compose: auto-start on boot
Make Docker Compose services come back after a reboot: restart policies, why on-failure does not survive one, and when a systemd unit is right.
Docker Compose memory limits that stop OOM
Set memory and CPU limits in Docker Compose so one greedy container cannot take down your VPS: deploy.resources, mem_limit, exit 137, swap, sizing.
Self-hosted recipe manager: Mealie on a VPS
Run Mealie on your own VPS with Docker Compose. Paste a recipe link and get clean steps, plus meal plans, shopping lists, nginx, TLS and backups.
Docker Compose with multiple files
How compose.override.yaml loads on its own, what file order really merges, the ports trap that keeps a port open, and include for a dev and prod split.
The arr stack in one Docker Compose file
Run Prowlarr, Sonarr, Radarr and qBittorrent from one Docker Compose file on a VPS, with the shared PUID, PGID and volume layout that keeps hardlinks working.
Docker Compose volumes: bind vs named
Bind mounts and named volumes in Docker Compose: which to use for config and for data, the file permission traps, and how to inspect, back up and migrate.
Docker Compose networking explained
The default project bridge, DNS by service name, when host mode is worth it, sharing one network across projects, and the published port that skips UFW.
Docker Compose healthchecks that work
How Docker Compose healthchecks are evaluated, why depends_on alone waits for nothing useful, and how to write readiness checks for Postgres and your app.
Docker Compose env files and secrets
Three different things get called an env file in Docker Compose. See how .env, env_file and environment differ, which one wins, and where secrets belong.
Docker Compose down vs stop
stop keeps your containers, down removes them and the project network, and neither one deletes a named volume. Only the volumes flag destroys data.
Traefik v2 to v3 migration: what breaks
Traefik v3 will not start while swarmMode or pilot is in the static config. Fix the incompatible deprecated static option found error, then migrate rules.
Docker Compose basics for your VPS
Install Docker Engine and Compose v2 on Ubuntu 24.04, write a real two-service compose.yml, dodge the ufw port-publishing trap, and back up volumes.
Self-host Rocket.Chat with Docker Compose
Self-host Rocket.Chat on a VPS with Docker Compose: the single-node MongoDB replica set it requires, TLS, backups, and every failure mode fixed.
Traefik reverse proxy: 5 apps, one Compose file
Run five apps behind one IP with Traefik v3 on Docker Compose: routing by Host rule, automatic Let's Encrypt TLS, and the acme.json trap that blocks startup.