Update Coder docker files
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@@ -1,27 +1,29 @@
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FROM codercom/enterprise-base:ubuntu
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ARG GO_VERSION=1.22.5
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ARG GO_ARCH=amd64
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USER root
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# 1. Update system packages and install dependencies
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RUN apt-get update && \
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DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
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DEBIAN_FRONTEND=noninteractive apt-get install -y curl wget git sudo zip unzip golang && \
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DEBIAN_FRONTEND=noninteractive apt-get install -y \
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curl wget git sudo zip unzip jq build-essential ca-certificates && \
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rm -rf /var/lib/apt/lists/*
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# 2. Install Docker CLI
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RUN curl -fsSL https://get.docker.com | sh
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RUN curl -fsSL "https://go.dev/dl/go${GO_VERSION}.linux-${GO_ARCH}.tar.gz" -o /tmp/go.tar.gz && \
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tar -C /usr/local -xzf /tmp/go.tar.gz && \
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rm /tmp/go.tar.gz
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USER coder
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# 3. Install Bun
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RUN curl -fsSL https://bun.sh/install | bash
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# 4. Install SDKMAN! and Maven
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RUN curl -s "https://get.sdkman.io" | bash && \
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bash -c "source $HOME/.sdkman/bin/sdkman-init.sh && sdk install maven"
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# 5. Install Opencode
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RUN curl -fsSL https://opencode.ai/install | bash
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# Add tools to path
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ENV PATH="/home/coder/.opencode/bin:/home/coder/.bun/bin:${PATH}"
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ENV PATH="/usr/local/go/bin:/home/coder/go/bin:/home/coder/.opencode/bin:/home/coder/.bun/bin:${PATH}"
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@@ -1,32 +1,25 @@
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---
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display_name: Docker Workspaces with GPU & DooD
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description: Provision Docker-based Coder workspaces with GPU support, Docker-out-of-Docker, Go, Bun, and Opencode.
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icon: ../../../site/static/icon/docker.png
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maintainer_github: coder
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verified: true
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tags: [docker, container, gpu, golang, bun, sdkman, opencode]
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description: Provision Docker-based Coder workspaces with selectable GPU support, Docker-out-of-Docker, Go, Bun, and Opencode.
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icon: /icon/docker.svg
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maintainer_github: sirblob
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verified: false
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tags: [docker, container, gpu, golang, bun, sdkman, opencode, ollama]
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---
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# Feature-Rich Docker Workspaces
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Provision powerful Docker containers as [Coder workspaces](https://coder.com/docs/workspaces) with this advanced template. It features GPU passthrough, Docker-out-of-Docker (DooD), and pre-installs essential development tools via a custom Dockerfile.
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<!-- TODO: Add screenshot -->
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Provision powerful Docker containers as [Coder workspaces](https://coder.com/docs/workspaces) with this template. It features selectable GPU passthrough, Docker-out-of-Docker (DooD), and pre-installs essential development tools via a custom Dockerfile.
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## Prerequisites
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### Infrastructure
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The VM you run Coder on must have a running Docker socket and the `coder` user must be added to the Docker group:
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The host you run Coder on must have a running Docker socket, the NVIDIA container runtime installed, and the `coder` user added to the Docker group:
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```sh
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# Add coder user to Docker group
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sudo adduser coder docker
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# Restart Coder server
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sudo systemctl restart coder
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# Test Docker
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sudo -u coder docker ps
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```
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@@ -34,19 +27,43 @@ sudo -u coder docker ps
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This template provisions the following resources and features:
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- **Base Image**: Custom image built from `codercom/enterprise-base:ubuntu`
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- **GPU Support**: Passes all host GPUs to the workspace (`gpus = "all"`) for AI/ML and hardware acceleration.
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- **Docker-out-of-Docker (DooD)**: Mounts the host's `/var/run/docker.sock` so you can build and run containers seamlessly from inside your workspace.
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- **Base Image**: Custom image built from `codercom/enterprise-base:ubuntu`.
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- **Selectable GPU Support**: A `GPU Assignment` parameter chooses which GPU(s) to attach. The default is **GPU 0**, because GPU 1 is shared with the `ollama` and `immich` stacks; pick `GPU 1 only` or `Both GPUs` when you need them.
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- **Docker-out-of-Docker (DooD)**: Mounts the host's `/var/run/docker.sock` so you can build and run containers from inside your workspace.
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- **Ollama Integration**: `OLLAMA_HOST` is preset to `http://host.docker.internal:11434`, so tools in the workspace talk to the homelab Ollama service out of the box.
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- **Pre-baked Tools**: The custom Docker image comes pre-installed with:
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- System package updates
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- Docker CLI
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- Bun
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- Golang
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- Go (pinned version, installed from the official tarball)
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- SDKMAN! & Maven
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- Opencode
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- **Persistent Storage**: Uses a persistent host directory mapped to `/home/coder` to ensure your files survive workspace restarts.
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- `jq`, `build-essential`
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- **Persistent Storage**: Uses a persistent host directory mapped to `/home/coder` so files survive workspace restarts.
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- **Rich Telemetry**: Displays CPU, RAM, Disk, Load Average, and GPU utilization directly in the Coder UI.
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- **IDE Support**: Native integration with code-server (Browser VS Code) and JetBrains IDEs.
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## Using the homelab services
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### Ollama
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`OLLAMA_HOST` is already exported in the workspace. Verify with:
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```sh
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curl "$OLLAMA_HOST/api/tags"
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```
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### Gitea container registry
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With DooD enabled you can build and push images straight to the Gitea registry from inside a workspace:
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```sh
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docker login git.sirblob.co -u <user> -p <token>
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docker build -t git.sirblob.co/<user>/<image>:<tag> .
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docker push git.sirblob.co/<user>/<image>:<tag>
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```
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See `projects.md` in the homelab repo for the full registry workflow.
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> **Note**
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> While your `/home/coder` directory is persistent, the container's root filesystem is ephemeral. This template builds a custom Docker image to pre-bake tools (Go, Bun, SDKMAN!, Opencode, etc.), ensuring your workspace starts instantly while keeping the tools available.
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@@ -27,6 +27,28 @@ data "coder_provisioner" "me" {}
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data "coder_workspace" "me" {}
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data "coder_workspace_owner" "me" {}
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data "coder_parameter" "gpu" {
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name = "gpu"
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display_name = "GPU Assignment"
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description = "Which GPU(s) to attach. GPU 1 is shared with Ollama and Immich, so GPU 0 is the default to avoid contention."
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default = "0"
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mutable = true
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icon = "/icon/memory.svg"
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option {
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name = "GPU 0 only"
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value = "0"
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}
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option {
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name = "GPU 1 only (shared with Ollama and Immich)"
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value = "1"
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}
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option {
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name = "Both GPUs"
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value = "all"
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}
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}
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resource "coder_agent" "main" {
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arch = data.coder_provisioner.me.arch
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os = "linux"
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@@ -51,6 +73,7 @@ resource "coder_agent" "main" {
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GIT_AUTHOR_EMAIL = "${data.coder_workspace_owner.me.email}"
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GIT_COMMITTER_NAME = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
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GIT_COMMITTER_EMAIL = "${data.coder_workspace_owner.me.email}"
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OLLAMA_HOST = "http://host.docker.internal:11434"
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}
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metadata {
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@@ -163,12 +186,13 @@ resource "docker_container" "workspace" {
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EOT
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]
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gpus = "all"
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gpus = data.coder_parameter.gpu.value == "all" ? "all" : "device=${data.coder_parameter.gpu.value}"
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env = [
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"CODER_AGENT_TOKEN=${coder_agent.main.token}",
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"NVIDIA_VISIBLE_DEVICES=0,1",
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"NVIDIA_DRIVER_CAPABILITIES=all"
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"NVIDIA_VISIBLE_DEVICES=${data.coder_parameter.gpu.value}",
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"NVIDIA_DRIVER_CAPABILITIES=all",
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"OLLAMA_HOST=http://host.docker.internal:11434"
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]
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host {
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