Helpdesk dev, prod 배포환경 분리

Dockerfile

@@ -10,11 +10,15 @@ RUN apk add --no-cache curl && \
 # 2단계: Tomcat 이미지 (Java 8 기준)
 FROM tomcat:9.0-jdk8-temurin
 
+# 빌드 시 주입할 OTEL 관련 인자
+ARG OTEL_ENV=prod
+ARG OTEL_SERVICE_NAME=sayit-helpdesk
+
 ENV TZ=Asia/Seoul \
-    OTEL_SERVICE_NAME=helpdesk_service \
+    OTEL_SERVICE_NAME=${OTEL_SERVICE_NAME} \
     OTEL_EXPORTER_OTLP_ENDPOINT=http://192.168.100.203:4317 \
     OTEL_EXPORTER_OTLP_PROTOCOL=grpc \
-    OTEL_RESOURCE_ATTRIBUTES="deployment.environment=prod" \
+    OTEL_RESOURCE_ATTRIBUTES="deployment.environment=${OTEL_ENV}" \
     JAVA_TOOL_OPTIONS="\
 -Xms1g \
 -Xmx1g \