[PHASE-6] Define server configuration

internal/server/config.go

@@ -0,0 +1,31 @@
+package server
+
+import "time"
+
+// Config holds configuration for the TCP server
+type Config struct {
+	Address  string
+	Timeouts TimeoutConfig
+}
+
+// TimeoutConfig holds timeout configuration
+type TimeoutConfig struct {
+	// Read timeout protects against slowloris attacks (clients sending data slowly)
+	Read time.Duration
+	// Write timeout protects against slow readers (clients reading responses slowly)
+	Write time.Duration
+	// Connection timeout is the maximum total connection lifetime
+	Connection time.Duration
+}
+
+// DefaultConfig returns default server configuration
+func DefaultConfig() *Config {
+	return &Config{
+		Address: ":8080",
+		Timeouts: TimeoutConfig{
+			Read:       5 * time.Second,
+			Write:      5 * time.Second,
+			Connection: 15 * time.Second,
+		},
+	}
+}