chore: deploy.sh builds and pushes both backend and frontend images

deploy.sh

@@ -1,9 +1,28 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-IMAGE="registry.gabrielkaszewski.dev/thoughts:latest"
+REGISTRY="registry.gabrielkaszewski.dev"
+BACKEND_IMAGE="$REGISTRY/thoughts:latest"
+FRONTEND_IMAGE="$REGISTRY/thoughts-frontend:latest"
 
+# Public API URL seen by the browser.
+# Override with: NEXT_PUBLIC_API_URL=https://api.example.com ./deploy.sh
+API_URL="${NEXT_PUBLIC_API_URL:-https://thoughts.gabrielkaszewski.dev}"
+
+# Internal API URL used by Next.js SSR (can be a Docker-internal address in prod).
+# Override with: NEXT_PUBLIC_SERVER_SIDE_API_URL=http://api:8000 ./deploy.sh
+SSR_API_URL="${NEXT_PUBLIC_SERVER_SIDE_API_URL:-$API_URL}"
+
+echo "==> building backend image: $BACKEND_IMAGE"
 docker buildx build --platform linux/amd64 \
-  -t "$IMAGE" --push .
+  -t "$BACKEND_IMAGE" --push .
 
-echo "pushed $IMAGE"
+echo "==> building frontend image: $FRONTEND_IMAGE"
+docker buildx build --platform linux/amd64 \
+  --build-arg "NEXT_PUBLIC_API_URL=$API_URL" \
+  --build-arg "NEXT_PUBLIC_SERVER_SIDE_API_URL=$SSR_API_URL" \
+  -t "$FRONTEND_IMAGE" --push \
+  ./thoughts-frontend
+
+echo "==> pushed $BACKEND_IMAGE"
+echo "==> pushed $FRONTEND_IMAGE"