44 lines
1.3 KiB
Docker
44 lines
1.3 KiB
Docker
# ============================================================
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# GBS Java Application Dockerfile Template
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# Based on: CentOS 7 + Oracle JDK 1.8.0_202
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# Usage: docker build -t <image-name>:<tag> -f Dockerfile .
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# ============================================================
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# Build context structure:
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# .
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# ├── Dockerfile
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# ├── jdk1.8.0_202/ (JDK directory, copied from /opt/jdk1.8.0_202)
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# └── target/
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# └── *.jar (application JAR file)
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# ============================================================
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FROM centos:7
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# Set timezone to Asia/Shanghai
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RUN ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
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# Copy JDK
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COPY jdk1.8.0_202/ /opt/jdk1.8.0_202/
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# Set Java environment variables
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ENV JAVA_HOME=/opt/jdk1.8.0_202
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ENV PATH=$PATH:$JAVA_HOME/bin
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ENV LANG=C.UTF-8
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# Create log directory
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RUN mkdir -p /opt/logs
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# Copy the built JAR file
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COPY target/*.jar /opt/app.jar
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# Default entrypoint
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# Runtime parameters can be overridden via K8s deployment or docker run -e
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ENTRYPOINT ["/opt/jdk1.8.0_202/bin/java", \
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"-Dnacos.namespace=jjb-dragon", \
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"-Dnacos.url=prod-nacos:8848", \
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"-Dspring.profiles.active=prod", \
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"-Dmysql.password=Mysql@zcloud33080", \
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"-Dmysql.host=192.168.20.100", \
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"-Dmysql.port=33080", \
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"-Dmysql.username=root", \
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"-jar", "/opt/app.jar"]
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