fix: change imagePullPolicy to IfNotPresent for local images

deploy/overlays/development/services/gateway/deployment.yaml

@@ -20,7 +20,7 @@ spec:
       containers:
         - name: gateway
           image: localhost:32000/gateway:latest
-          imagePullPolicy: Always
+          imagePullPolicy: IfNotPresent
           ports:
             - containerPort: 8077
               name: http

services/gateway/Dockerfile

@@ -25,7 +25,7 @@ COPY services/gateway/ ./services/gateway/
 WORKDIR /app/services/gateway
 RUN --mount=type=cache,target=/go/pkg/mod \
     --mount=type=cache,target=/root/.cache/go-build \
-    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+    CGO_ENABLED=0 GOOS=linux \
     go build -ldflags="-s -w" -trimpath -o /gateway .
 
 # Runtime stage - distroless for minimal attack surface