ing

config.json

@@ -28,15 +28,6 @@
       "increaseCapacity": 10
     }
   },
-  "logging": {
-    "addr": "127.0.0.1:6379",
-    "tls": false,
-    "pool": {
-      "initialCapacity": 30,
-      "maxCapacity": 100,
-      "increaseCapacity": 10
-    }
-  },
   "handlers": {
     "web": {
       "entry": "/web",
@@ -63,6 +54,34 @@
       }
     }
 
+  },
+  "logging": {
+    "level": "debug",
+    "development": true,
+    "disableCaller": true,
+    "disableStacktrace": true,
+    "sampling": {
+      "initial": 100,
+      "thereafter": 100
+    },
+	  "encoding": "console",
+	  "encoderConfig": {
+	    "messageKey": "message",
+	    "levelKey": "level",
+      "timeKey": "time",
+	    "nameKey": "name",
+	    "callerKey": "caller",
+	    "stacktraceKey": "stacktrace",
+	    "lineEnding": "\n",
+	    "levelEncoder": "color",
+	    "timeEncoder": "ISO8601",
+	    "durationEncoder": "string",
+	    "callerEncoder": "full",
+	    "nameEncoder": "full"
+	  },
+	  "outputPaths": ["stdout", "/tmp/logs"],
+	  "errorOutputPaths": ["stderr"],
+	  "initialFields": {"foo": "bar"}
   }
 
 }

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"log"
 	"time"
 
@@ -36,6 +37,7 @@ func main() {
 	defer cancel()
 
 	logger = logging.WithContext(ctx)
+	defer logger.Sync()
 
 	o := &gws.ServerOptions{
 		OnConnection:      onConnection,
@@ -97,8 +99,25 @@ func main() {
 }
 
 func NewContext() (context.Context, context.CancelFunc) {
+	var err error
 	ctx := context.Background()
-	ctx = logging.NewContext(ctx, nil)
+	logConfig := config.Sub("logging")
+
+	buf, err := logConfig.Marshal("json")
+	if err != nil {
+		panic(err)
+	}
+	var cfg zap.Config
+	if err = json.Unmarshal(buf, &cfg); err != nil {
+		panic(err)
+	}
+
+	logger, err := cfg.Build()
+	if err != nil {
+		panic(err)
+	}
+
+	ctx = logging.NewContext(ctx, logger)
 
 	ctx, cancel := context.WithCancel(ctx)