Add new examples for context

Author: pamelafox

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
     "dockerComposeFile": "docker-compose.yml",
     "service": "app",
     "workspaceFolder": "/workspace",
-    "forwardPorts": [6379],
+    "forwardPorts": [5432, 6379],
     "features": {
         "ghcr.io/azure/azure-dev/azd:latest": {},
         "ghcr.io/devcontainers/features/azure-cli:latest": {}

.devcontainer/docker-compose.yml

@@ -9,6 +9,18 @@ services:
     environment:
       - OTEL_EXPORTER_OTLP_ENDPOINT=http://aspire-dashboard:18889
 
+  db:
+    image: pgvector/pgvector:pg17
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_DB: postgres
+      POSTGRES_USER: admin
+      POSTGRES_PASSWORD: LocalPasswordOnly
+    ports:
+      - "5432:5432"
+
   redis:
     image: redis/redis-stack-server:latest
     restart: unless-stopped
@@ -21,3 +33,6 @@ services:
       - "18888:18888"
     environment:
       - DASHBOARD__FRONTEND__AUTHMODE=Unsecured
+
+volumes:
+  postgres-data: