added deploy binary to prod backend container

docker/Dockerfile.backend

@@ -15,6 +15,7 @@ COPY . .
 
 # Build the Go binary
 RUN go build -v -o server cmd/main.go
+RUN go build -v -o deploy cmd/deploy/main.go
 
 # =========== 2) Runtime stage ===========
 FROM alpine:3.23
@@ -36,7 +37,8 @@ ENV CHROME_BIN=/usr/bin/chromium-browser \
 WORKDIR /app
 
 # Copy the compiled binary from builder stage
-COPY --from=builder /app/server /app
+COPY --from=builder /app/server /app/server
+COPY --from=builder /app/deploy /app/deploy
 COPY --from=builder /app/templates /app/default_templates
 
 # Expose port