1 files changed, 6 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
index d1c0f02..a1e8c5b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,8 @@ extern crate log;
 
 use es_public_proxy::{filter_request, ProxyConfig};
 
+const CARGO_VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
+
 async fn upstream_req(
     req: Request<Body>,
     config: ProxyConfig,
@@ -75,6 +77,10 @@ fn load_config() -> ProxyConfig {
             println!("{}", usage());
             std::process::exit(0);
         }
+        [_, "--version"] => {
+            println!("es-public-proxy v{}", CARGO_VERSION.unwrap_or("UNKNOWN"));
+            std::process::exit(0);
+        }
         [_, "--example-config"] => {
             println!("{}", include_str!("../extra/example_config.toml"));
             std::process::exit(0);