feat: dockerfile

Author: prestwich

Cargo.lock

@@ -16,7 +16,7 @@ repository = "https://github.com/init4tech/bin-base"
 # Tracing
 tracing = "0.1.40"
 tracing-core = "0.1.33"
-tracing-subscriber = { version = "0.3.18", features = ["registry"] }
+tracing-subscriber = { version = "0.3.18", features = ["env-filter", "registry"] }
 
 # OTLP
 opentelemetry_sdk = "0.28.0"

Cargo.toml

@@ -0,0 +1,5 @@
+FROM rust:1.81
+
+COPY ./ ./
+
+RUN cargo run --example otlp-export --manifest-path ./Cargo.toml

Dockerfile.otlp-export

@@ -17,6 +17,12 @@ pub struct MetricsConfig {
     pub port: u16,
 }
 
+impl Default for MetricsConfig {
+    fn default() -> Self {
+        Self { port: 9000 }
+    }
+}
+
 impl From<Option<u16>> for MetricsConfig {
     fn from(port: Option<u16>) -> Self {
         Self {
@@ -35,7 +41,10 @@ impl FromEnv for MetricsConfig {
     type Error = std::num::ParseIntError;
 
     fn from_env() -> Result<Self, FromEnvErr<Self::Error>> {
-        u16::from_env_var(METRICS_PORT).map(Self::from)
+        match u16::from_env_var(METRICS_PORT).map(Self::from) {
+            Ok(cfg) => Ok(cfg),
+            Err(_) => Ok(Self::default()),
+        }
     }
 }
 

src/utils/metrics.rs

@@ -1,5 +1,5 @@
 use crate::utils::otlp::{OtelConfig, OtelGuard};
-use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, Layer};
 
 /// Init tracing, returning an optional guard for the OTEL provider.
 ///
@@ -16,7 +16,10 @@ use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 ///
 /// [`OtelConfig`]: crate::utils::otlp::OtelConfig
 pub fn init_tracing() -> Option<OtelGuard> {
-    let registry = tracing_subscriber::registry().with(tracing_subscriber::fmt::layer());
+    let registry = tracing_subscriber::registry().with(
+        tracing_subscriber::fmt::layer()
+            .with_filter(tracing_subscriber::filter::EnvFilter::from_default_env()),
+    );
 
     if let Some(cfg) = OtelConfig::load() {
         let guard = cfg.provider();