add prometheus metrics

1 files changed, 5 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index a42125d..80fa317 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,6 +28,11 @@ futures-util = "0.3"
 base64 = "0.22"
 flate2 = "1.0"
 
+# Metrics
+prometheus = "0.13"
+dashmap = "5"
+lazy_static = "1.4"
+
 # Serialization
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"