Use create-container-service-deployment for explicit redeployment

- Explicitly creates new deployment instead of updating parameters
- Pulls latest :main images from GitHub Container Registry
- Creates new deployment version in Lightsail console
- Guarantees new deployment on every push

Author: willemhs-amzn

.github/workflows/docker.yml

@@ -50,8 +50,25 @@ jobs:
 
       - name: Force Lightsail redeployment
         run: |
-          # Force new deployment by toggling scale
-          aws lightsail update-container-service \
+          # Create new deployment to pull latest images
+          aws lightsail create-container-service-deployment \
             --service-name sc-market \
             --region us-east-2 \
-            --scale 1
+            --containers '{
+              "backend": {
+                "image": "ghcr.io/sc-market/sc-market-backend:main",
+                "ports": {"8080": "HTTP"}
+              },
+              "discord": {
+                "image": "ghcr.io/sc-market/scmarketbot:main",
+                "ports": {"3000": "HTTP"}
+              }
+            }' \
+            --public-endpoint '{
+              "containerName": "backend",
+              "containerPort": 8080,
+              "healthCheck": {
+                "path": "/api/market/stats",
+                "intervalSeconds": 30
+              }
+            }'