chore: update dockerfile

Author: whiskeyjimbo

Dockerfile

@@ -2,23 +2,23 @@ FROM golang:1.23.4-alpine AS builder
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
-RUN go mod download
+COPY main.go go.mod go.sum ./
+COPY internal/ ./internal/
 
-COPY . .
+RUN go mod download
 
 RUN CGO_ENABLED=0 GOOS=linux go build -o checkmate
 
-# Final stage using distroless
 FROM gcr.io/distroless/static-debian12:nonroot
 
 WORKDIR /app
 
 COPY --from=builder /app/checkmate .
+COPY examples/config.yaml /app/config.yaml
 
 USER nonroot:nonroot
 
 # Expose Prometheus/healthcheck port
 EXPOSE 9100
 
-ENTRYPOINT ["/app/checkmate"] 
+ENTRYPOINT ["/app/checkmate", "/app/config.yaml"]