49 lines
1.4 KiB
Docker
49 lines
1.4 KiB
Docker
# 1단계: OTEL Java 에이전트 다운로드
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FROM alpine:3.20 AS otel
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ARG OTEL_VERSION=2.21.0
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RUN apk add --no-cache curl && \
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curl -fL \
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https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v${OTEL_VERSION}/opentelemetry-javaagent.jar \
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-o /opentelemetry-javaagent.jar
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# 2단계: Tomcat 이미지 (Java 8 기준)
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FROM tomcat:9.0-jdk8-temurin
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# 빌드 시 주입할 OTEL 관련 인자
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ARG OTEL_ENV=prod
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ARG OTEL_SERVICE_NAME=sayit-helpdesk
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ENV TZ=Asia/Seoul \
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OTEL_SERVICE_NAME=${OTEL_SERVICE_NAME} \
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OTEL_EXPORTER_OTLP_ENDPOINT=http://192.168.100.203:4317 \
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OTEL_EXPORTER_OTLP_PROTOCOL=grpc \
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OTEL_RESOURCE_ATTRIBUTES="deployment.environment=${OTEL_ENV}" \
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JAVA_TOOL_OPTIONS="\
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-Xms1g \
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-Xmx1g \
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-XX:+UseG1GC \
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-XX:MaxGCPauseMillis=200 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+UseStringDeduplication \
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-XX:+HeapDumpOnOutOfMemoryError \
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-XX:HeapDumpPath=/tmp \
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-XX:+DisableExplicitGC \
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-javaagent:/opt/opentelemetry-javaagent.jar"
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# 타임존 설정
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RUN ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime
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# OTEL 에이전트 복사
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COPY --from=otel /opentelemetry-javaagent.jar /opt/opentelemetry-javaagent.jar
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RUN chown 1000:1000 /opt/opentelemetry-javaagent.jar
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# 기본 웹앱 정리
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RUN rm -rf /usr/local/tomcat/webapps/*
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# Maven 빌드된 WAR 복사
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COPY target/sayit-helpdesk.war /usr/local/tomcat/webapps/ROOT.war
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RUN chown -R 1000:1000 /usr/local/tomcat/
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EXPOSE 8080
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CMD ["catalina.sh","run"] |