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name: Test and Publish Coder Template
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on:
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push:
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branches:
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- main
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workflow_dispatch:
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jobs:
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test-and-publish:
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runs-on: ubuntu-latest
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env:
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TEMPLATE_NAME: "LaTeX"
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up Terraform
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uses: hashicorp/setup-terraform@v2
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with:
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terraform_version: latest
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- name: Set up Coder CLI
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uses: coder/setup-action@v1
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with:
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access_url: "https://coder.soderberg.tech"
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coder_session_token: ${{ secrets.CODER_SESSION_TOKEN }}
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- name: Initilize Terraform
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run: terraform init
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- name: Validate Terraform template
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run: terraform validate
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- name: Get short commit SHA to use as template version name
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id: name
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run: echo "version_name=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
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- name: Get latest commit title to use as template version description
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id: message
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run:
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echo "pr_title=$(git log --format=%s -n 1 ${{ github.sha }})" >>
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$GITHUB_OUTPUT
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- name: Push template to Coder
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run: |
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coder templates push $TEMPLATE_NAME -d $GITHUB_WORKSPACE --activate=false --name ${{ steps.name.outputs.version_name }} --message "${{ steps.message.outputs.pr_title }}" --yes
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- name: Create a test workspace
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run: |
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coder create -t $TEMPLATE_NAME --template-version ${{ steps.name.outputs.version_name }} test-${{ steps.name.outputs.version_name }} --yes --parameter "username=TEST-GIT-NAME"
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- name: Delete the test workspace
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if: always()
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run: coder delete test-${{ steps.name.outputs.version_name }} --yes
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- name: Promote template version
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if: success()
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run: |
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coder template version promote --template=$TEMPLATE_NAME --template-version=${{ steps.name.outputs.version_name }}
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# LTH Docker
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## Configure X11 capabilities
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1. Install a X Server on your device, [X410](https://x410.dev/) is recommended.
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2. Open VS Code and add two entries to the ***coder.sshConfig*** setting (restart VS Code afterwards):
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- `ForwardX11 yes`
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- `ForwardX11Trusted yes`
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> You might need to input the following into a terminal on Windows: `setx DISPLAY "127.0.0.1:0.0"` if the X11 display can't be found.
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## Architecture
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This template provisions the following resources:
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- Docker image (built by Docker socket and kept locally)
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- Docker volume (persistent on `/home/{User}`)
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This means, when the workspace restarts, any tools or files outside of the home directory are not persisted.
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@@ -0,0 +1,31 @@
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FROM ubuntu:latest
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# Updates and installs commons
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RUN apt-get update \
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&& apt-get install -y \
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curl \
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git \
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sudo \
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vim \
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wget \
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locales
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# Sets local
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RUN localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
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ENV LANG=en_US.utf8
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# Install LaTeX
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RUN apt-get install -y texlive-full
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# Clears apt lists
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RUN rm -rf /var/lib/apt/lists/*
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# Adds the default User
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ARG USER=lth-student
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RUN useradd --groups sudo --no-create-home --shell /bin/bash ${USER} \
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&& echo "${USER} ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/${USER} \
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&& chmod 0440 /etc/sudoers.d/${USER}
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# Sets user and work directory
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USER ${USER}
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WORKDIR /home/${USER}
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terraform {
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required_providers {
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coder = {
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source = "coder/coder"
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}
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docker = {
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source = "kreuzwerker/docker"
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}
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}
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}
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provider "docker" {}
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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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locals {
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username = data.coder_workspace_owner.me.name
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docker_name = lower("coder-${data.coder_workspace.me.template_name}-${local.username}-${data.coder_workspace.me.id}")
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}
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resource "coder_agent" "main" {
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arch = data.coder_provisioner.me.arch
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os = "linux"
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startup_script = <<-EOT
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set -e
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# Prepare user home with default files on first start.
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if [ ! -f ~/.init_done ]; then
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cp -rT /etc/skel ~
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touch ~/.init_done
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fi
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EOT
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# These environment variables allow you to make Git commits right away after creating a
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# workspace. Note that they take precedence over configuration defined in ~/.gitconfig!
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# You can remove this block if you'd prefer to configure Git manually or using
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# dotfiles. (see docs/dotfiles.md)
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env = {
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GIT_AUTHOR_NAME = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
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GIT_AUTHOR_EMAIL = "${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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}
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# The following metadata blocks are optional. They are used to display
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# information about your workspace in the dashboard. You can remove them
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# if you don't want to display any information.
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# For basic resources, you can use the `coder stat` command.
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# If you need more control, you can write your own script.
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metadata {
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display_name = "CPU Usage"
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key = "0_cpu_usage"
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script = "coder stat cpu"
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interval = 10
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timeout = 1
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}
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metadata {
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display_name = "RAM Usage"
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key = "1_ram_usage"
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script = "coder stat mem"
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interval = 10
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timeout = 1
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}
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metadata {
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display_name = "Home Disk"
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key = "3_home_disk"
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script = "coder stat disk --path $${HOME}"
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interval = 60
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timeout = 1
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}
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}
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module "vscode-web" {
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count = data.coder_workspace.me.start_count
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source = "registry.coder.com/coder/vscode-web/coder"
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version = "1.4.1"
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agent_id = coder_agent.main.id
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folder = "/home/${local.username}"
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accept_license = true
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extensions = [
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"James-Yu.latex-workshop",
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"tomoki1207.pdf"
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]
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settings = {
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"workbench.startupEditor": "none",
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"workbench.colorTheme": "Default Dark Modern",
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"window.menuBarVisibility": "classic",
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"files.exclude": {
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".*/": true
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}
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}
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}
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module "git-config" {
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count = data.coder_workspace.me.start_count
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source = "registry.coder.com/coder/git-config/coder"
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version = "1.0.31"
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agent_id = coder_agent.main.id
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}
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resource "docker_volume" "home_volume" {
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name = local.docker_name
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# Protect the volume from being deleted due to changes in attributes.
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lifecycle {
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ignore_changes = all
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}
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# Add labels in Docker to keep track of orphan resources.
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labels {
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label = "coder.owner"
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value = data.coder_workspace_owner.me.name
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}
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labels {
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label = "coder.owner_id"
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value = data.coder_workspace_owner.me.id
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}
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labels {
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label = "coder.workspace_id"
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value = data.coder_workspace.me.id
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}
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# This field becomes outdated if the workspace is renamed but can
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# be useful for debugging or cleaning out dangling volumes.
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labels {
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label = "coder.workspace_name_at_creation"
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value = data.coder_workspace.me.name
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}
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}
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resource "docker_image" "main" {
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name = local.docker_name
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build {
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context = "./build"
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build_args = {
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USER = local.username
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}
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}
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triggers = {
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dir_sha1 = sha1(join("", [for f in fileset(path.module, "build/*") : filesha1(f)]))
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}
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}
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resource "docker_container" "workspace" {
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count = data.coder_workspace.me.start_count
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image = docker_image.main.name
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cpu_set = "0-11"
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memory = 4096
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# Uses lower() to avoid Docker restriction on container names.
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name = "coder-${data.coder_workspace_owner.me.name}-${lower(data.coder_workspace.me.name)}"
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# Hostname makes the shell more user friendly: coder@my-workspace:~$
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hostname = data.coder_workspace.me.name
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# Use the docker gateway if the access URL is 127.0.0.1
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entrypoint = ["sh", "-c", replace(coder_agent.main.init_script, "/localhost|127\\.0\\.0\\.1/", "host.docker.internal")]
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env = ["CODER_AGENT_TOKEN=${coder_agent.main.token}"]
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host {
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host = "host.docker.internal"
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ip = "host-gateway"
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}
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volumes {
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container_path = "/home/${local.username}"
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volume_name = docker_volume.home_volume.name
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read_only = false
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}
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# Add labels in Docker to keep track of orphan resources.
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labels {
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label = "coder.owner"
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value = data.coder_workspace_owner.me.name
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}
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labels {
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label = "coder.owner_id"
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value = data.coder_workspace_owner.me.id
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}
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labels {
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label = "coder.workspace_id"
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value = data.coder_workspace.me.id
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}
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labels {
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label = "coder.workspace_name"
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value = data.coder_workspace.me.name
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}
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}
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