First tentative step at setting up multi container codespace

.devcontainer/codespaces-compose.yaml

@@ -0,0 +1,28 @@
+version: "3.8"
+
+services:
+  app:
+    build:
+      context: ..
+    image: mcr.microsoft.com/devcontainers/universal:2
+    volumes:
+      - ../..:/workspaces:cached
+    command: sleep infinity
+    network_mode: service:mariadb
+
+  mariadb:
+    image: mariadb:10.11
+    environment:
+      MARIADB_DATABASE: greencheck
+      MARIADB_ALLOW_EMPTY_ROOT_PASSWORD: "true"
+    restart: unless-stopped
+
+  rabbitmq:
+    image: rabbitmq:3.11
+    hostname: green-rabbit
+    privileged: true
+    restart: unless-stopped
+
+  mailhog:
+    image: mailhog/mailhog
+    restart: unless-stopped

.devcontainer/devcontainer.json

@@ -1,9 +1,47 @@
 {
   "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "dockerComposeFile": "codespaces-compose.yml",
+  "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+  "service": "app",
   "features": {
     "ghcr.io/jsburckhardt/devcontainer-features/uv:1": {},
     "ghcr.io/eitsupi/devcontainer-features/just:0": {}
   },
+  "postCreateCommand": "bash .devcontainer/post-create.sh",
+  "forwardPorts": [
+    8000,
+    6379,
+    5672,
+    3306,
+    8025,
+    1025
+  ],
+  "portsAttributes": {
+    "8000": {
+      "label": "Django App",
+      "onAutoForward": "ignore"
+    },
+    "6379": {
+      "label": "Redis",
+      "onAutoForward": "ignore"
+    },
+    "5672": {
+      "label": "RabbitMQ",
+      "onAutoForward": "ignore"
+    },
+    "3306": {
+      "label": "MariaDB",
+      "onAutoForward": "ignore"
+    },
+    "8025": {
+      "label": "Mailhog Web",
+      "onAutoForward": "ignore"
+    },
+    "1025": {
+      "label": "Mailhog SMTP",
+      "onAutoForward": "ignore"
+    }
+  },
   "customizations": {
     "codespaces": {},
     "vscode": {

.devcontainer/post-create.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "I am run to set up the codespace for development"