add expand of full main.tf

coder · EdwardAngert · Nov 12, 2024 · Oct 16, 2024 · Oct 16, 2024 · Oct 16, 2024
commit 3488bf269d48b34c216c08c06ca1bb341d80f669
diff --git a/docs/tutorials/template-from-scratch.md b/docs/tutorials/template-from-scratch.md
@@ -338,6 +338,135 @@ resource "docker_container" "workspace" {
 }
 ```
 
+<details>
+<summary>Expand for the full `main.tf` file</summary>
+```tf
+terraform {
+  required_providers {
+    coder = {
+      source  = "coder/coder"
+    }
+    docker = {
+      source  = "kreuzwerker/docker"
+    }
+  }
+}
+
+locals {
+  username = data.coder_workspace_owner.me.name
+}
+
+data "coder_provisioner" "me" {
+}
+
+provider "docker" {
+}
+
+provider "coder" {
+}
+
+data "coder_workspace" "me" {
+}
+
+data "coder_workspace_owner" "me" {}
+
+resource "coder_agent" "main" {
+  arch                   = data.coder_provisioner.me.arch
+  os                     = "linux"
+  startup_script         = <<-EOT
+    set -e
+
+    # install and start code-server
+    curl -fsSL https://code-server.dev/install.sh | sh -s -- --method=standalone --prefix=/tmp/code-server
+    /tmp/code-server/bin/code-server --auth none --port 13337 >/tmp/code-server.log 2>&1 &
+  EOT
+
+  env = {
+    GIT_AUTHOR_NAME     = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
+    GIT_AUTHOR_EMAIL    = "${data.coder_workspace_owner.me.email}"
+    GIT_COMMITTER_NAME  = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
+    GIT_COMMITTER_EMAIL = "${data.coder_workspace_owner.me.email}"
+  }
+
+  metadata {
+    display_name = "CPU Usage"
+    key          = "0_cpu_usage"
+    script       = "coder stat cpu"
+    interval     = 10
+    timeout      = 1
+  }
+
+  metadata {
+    display_name = "RAM Usage"
+    key          = "1_ram_usage"
+    script       = "coder stat mem"
+    interval     = 10
+    timeout      = 1
+  }
+}
+
+resource "coder_app" "code-server" {
+  agent_id     = coder_agent.main.id
+  slug         = "code-server"
+  display_name = "code-server"
+  url          = "http://localhost:13337/?folder=/home/${local.username}"
+  icon         = "/icon/code.svg"
+  subdomain    = false
+  share        = "owner"
+
+  healthcheck {
+    url       = "http://localhost:13337/healthz"
+    interval  = 5
+    threshold = 6
+  }
+}
+
+resource "docker_volume" "home_volume" {
+  name = "coder-${data.coder_workspace.me.id}-home"
+  # Protect the volume from being deleted due to changes in attributes.
+  lifecycle {
+    ignore_changes = all
+  }
+}
+
+resource "docker_image" "main" {
+  name = "coder-${data.coder_workspace.me.id}"
+  build {
+    context = "./build"
+    build_args = {
+      USER = local.username
+    }
+  }
+  triggers = {
+    dir_sha1 = sha1(join("", [for f in fileset(path.module, "build/*") : filesha1(f)]))
+  }
+}
+
+resource "docker_container" "workspace" {
+  count = data.coder_workspace.me.start_count
+  image = docker_image.main.name
+  # Uses lower() to avoid Docker restriction on container names.
+  name = "coder-${data.coder_workspace_owner.me.name}-${lower(data.coder_workspace.me.name)}"
+  # Hostname makes the shell more user friendly: coder@my-workspace:~$
+  hostname = data.coder_workspace.me.name
+  # Use the docker gateway if the access URL is 127.0.0.1
+  entrypoint = ["sh", "-c", replace(coder_agent.main.init_script, "/localhost|127\\.0\\.0\\.1/", "host.docker.internal")]
+  env = [
+    "CODER_AGENT_TOKEN=${coder_agent.main.token}",
+  ]
+  host {
+    host = "host.docker.internal"
+    ip   = "host-gateway"
+  }
+  volumes {
+    container_path = "/home/${local.username}"
+    volume_name    = docker_volume.home_volume.name
+    read_only      = false
+  }
+}
+```
+</details>
+
 ## 7. Create the template in Coder
 
 Save `main.tf` and exit the editor.