Added metrics

Dockerfile.metrics

@@ -0,0 +1,23 @@
+# Builder
+FROM rust:1.64-buster as builder
+
+WORKDIR /app
+
+# Add extra build dependencies here
+RUN apt-get update && apt-get install -y cmake
+
+COPY . .
+RUN cargo install --path . --features metrics
+
+# Runtime
+FROM debian:buster-slim
+
+WORKDIR /app
+
+# Add extra runtime dependencies here
+RUN apt-get update && apt-get install -y openssl ca-certificates && rm -rf /var/lib/apt/lists/*
+
+# Copy spoticord binary from builder
+COPY --from=builder /usr/local/cargo/bin/spoticord ./spoticord
+
+CMD ["./spoticord"]