Add docker to the devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,10 @@
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-16
+
+# Install Docker
+ENV DOCKER_BUILDKIT="1"
+# https://github.com/microsoft/vscode-dev-containers/commits/main/script-library/docker-debian.sh
+ARG DOCKER_SCRIPT_VERSION="364972b0d7d20ee5de40c1084e65f3f1bc6d5951"
+RUN bash -c "$(curl -fsSL "https://raw.githubusercontent.com/microsoft/vscode-dev-containers/${DOCKER_SCRIPT_VERSION}/script-library/docker-debian.sh")" \
+    && rm -rf /var/lib/apt/lists/*
+ENTRYPOINT ["/usr/local/share/docker-init.sh"]
+CMD ["sleep", "infinity"]

.devcontainer/devcontainer.json

@@ -1,8 +1,8 @@
 // See https://aka.ms/vscode-remote/devcontainer.json for format details.
 {
-  "dockerComposeFile": "docker-compose.yml",
+  "dockerComposeFile": "../docker-compose.yml",
   "service": "dev",
-  "workspaceFolder": "/workspace",
+  "workspaceFolder": "${localWorkspaceFolder}",
   "shutdownAction": "stopCompose",
   "portsAttributes": {
     "41000": {
@@ -10,7 +10,7 @@
       "onAutoForward": "silent"
     }
   },
-  "initializeCommand": "git submodule update --init",
+  "initializeCommand": ".devcontainer/initialize.sh",
   "postCreateCommand": "yarn install",
   "extensions": [
     "github.vscode-pull-request-github",
@@ -21,7 +21,8 @@
     "runem.lit-plugin",
     "davidanson.vscode-markdownlint",
     "redhat.vscode-yaml",
-    "lokalise.i18n-ally"
+    "lokalise.i18n-ally",
+    "ms-azuretools.vscode-docker"
   ],
   "settings": {
     "files.eol": "\n",

.devcontainer/docker-compose.yml

@@ -1,26 +0,0 @@
----
-version: '3'
-services:
-  dev:
-    user: node
-    image: mcr.microsoft.com/vscode/devcontainers/javascript-node:0-16
-    ports:
-      # Rollup
-      - 41000:41000
-    volumes:
-      - ..:/workspace:cached
-    command: [sleep, infinity]
-  hass:
-    extends:
-      file: ./frigate-hass-integration/docker-compose.yml
-      service: hass
-    volumes:
-      - ./preconfig:/preconfig.d/02-card:ro
-  frigate:
-    extends:
-      file: ./frigate-hass-integration/docker-compose.yml
-      service: frigate
-  mqtt:
-    extends:
-      file: ./frigate-hass-integration/docker-compose.yml
-      service: mqtt

.devcontainer/initialize.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -euo pipefail
+
+readonly wanted_line_key="LOCAL_WORKSPACE_FOLDER"
+readonly wanted_line="${wanted_line_key}='${PWD}'"
+readonly file=".env"
+
+echo "Writing ${wanted_line} to ${file}" >&2
+if grep --quiet "^${wanted_line_key}=" "${file}"; then
+    sed --in-place "s,^${wanted_line_key}=.*,${wanted_line}," "${file}"
+else
+    echo "LOCAL_WORKSPACE_FOLDER='${PWD}'" >"${file}"
+fi
+
+set -x
+
+git submodule update --init

docker-compose.yml

@@ -0,0 +1,29 @@
+---
+version: '3'
+services:
+  dev:
+    user: node
+    init: true
+    build: .devcontainer
+    ports:
+      # Rollup
+      - 41000:41000
+    env_file:
+      - .env
+    volumes:
+      - /var/run/docker.sock:/var/run/docker-host.sock
+      - .:${LOCAL_WORKSPACE_FOLDER}:cached
+  hass:
+    extends:
+      file: .devcontainer/frigate-hass-integration/docker-compose.yml
+      service: hass
+    volumes:
+      - .devcontainer/preconfig:/preconfig.d/02-card:ro
+  frigate:
+    extends:
+      file: .devcontainer/frigate-hass-integration/docker-compose.yml
+      service: frigate
+  mqtt:
+    extends:
+      file: .devcontainer/frigate-hass-integration/docker-compose.yml
+      service: mqtt