#設(shè)置鏡像基礎(chǔ)，jdk8
FROM java:8
#維護(hù)人員信息
MAINTAINER FLY
#設(shè)置鏡像對外暴露端口
EXPOSE 8061
#將當(dāng)前 target 目錄下的 jar 放置在根目錄下，命名為 app.jar，推薦使用絕對路徑。
ADD target/certif-system-2.1.0.jar /certif-system-2.1.0.jar
# 時區(qū)設(shè)置
RUN echo "Asia/shanghai" > /etc/timezone
#執(zhí)行啟動命令
ENTRYPOINT ["java", "-jar","/certif-system-2.1.0.jar"]

#設(shè)置變量 JAVA_OPTS
 
ENV JAVA_OPTS=""#這樣寫會以shell方式執(zhí)行，會替換變量
 
ENTRYPOINT java ${JAVA_OPTS}-Djava.security.egd=file:/dev/./urandom -jar /app.jar
 
#下面這樣寫法不行，他只是拼接不會識別變量
 
#ENTRYPOINT ["java","${JAVA_OPTS}","-Djava.security.egd=file:/dev/./urandom","-jar","app.jar"]

docker run  -e  JAVA_OPTS='-Xmx1344M -Xms1344M -Xmn448M -XX:MaxMetaspaceSize=192M -XX:MetaspaceSize=192M'

abstract class SeedGenerator {
......
    static {
        String egdSource = SunEntries.getSeedSource();
        if (egdSource.equals(URL_DEV_RANDOM) || egdSource.equals(URL_DEV_URANDOM)) {
            try {
                instance = new NativeSeedGenerator();
                if (debug != null) {
                    debug.println("Using operating system seed generator");
                }
            } catch (IOException e) {
                if (debug != null) {
                    debug.println("Failed to use operating system seed "
                                  + "generator: " + e.toString());
                }
            }
        } else if (egdSource.length() != 0) {
            try {
                instance = new URLSeedGenerator(egdSource);
                if (debug != null) {
                    debug.println("Using URL seed generator reading from "
                                  + egdSource);
                }
            } catch (IOException e) {
                if (debug != null)
                    debug.println("Failed to create seed generator with "
                                  + egdSource + ": " + e.toString());
            }
        }
......
    }

#設(shè)置基礎(chǔ)鏡像jdk8
FROM java:8
#維護(hù)人員信息
MAINTAINER FLY
#設(shè)置鏡像對外暴露端口
EXPOSE 8061
#將當(dāng)前 target 目錄下的 jar 放置在根目錄下，命名為 app.jar，推薦使用絕對路徑。
ADD target/certif-system-2.1.0.jar /certif-system-2.1.0.jar
# 設(shè)置環(huán)境變量
ENV JAVA_OPTS="-server -Xms512m -Xmx512m"
# 時區(qū)設(shè)置
RUN echo "Asia/shanghai" > /etc/timezone
#執(zhí)行啟動命令
#ENTRYPOINT ["java", "-jar","/certif-system-2.1.0.jar"]
ENTRYPOINT exec java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar /certif-system-2.1.0.jar

CONTAINER ID   NAME             CPU %     MEM USAGE / LIMIT   MEM %     NET I/O           BLOCK I/O         PIDS
5a8ff3925974   certif-system    0.74%     493.3MiB / 800MiB   61.66%    272kB / 304kB     7.54MB / 0B       97
 
 
[root@localhost certif]# docker exec -it 5a8ff3925974 ps -ef | grep java
root           1       0  5 12:13 ?        00:01:02 java -server -Xms512m -Xmx51

FROM adoptopenjdk/openjdk8-openj9:alpine-slim
COPY target/app.jar /my-app/app.jar
ENTRYPOINT java $JAVA_OPTS -Xshareclasses -Xquickstart -jar /my-app/app.jar

FROM oracle/graalvm-ce:1.0.0-rc15
COPY target/app.jar /my-app/app.jar
ENTRYPOINT java $JAVA_OPTS -jar /my-app/app.jar

FROM java:openjdk-8-alpine
COPY target/app.jar /my-app/app.jar
COPY run-java.sh /my-app/run-java.sh
ENTRYPOINT JAVA_OPTIONS=${JAVA_OPTS} JAVA_APP_JAR=/my-app/app.jar /my-app/run-java.sh

#設(shè)置鏡像基礎(chǔ)，jdk8
FROM adoptopenjdk/openjdk8-openj9:alpine-slim
#維護(hù)人員信息
MAINTAINER FLY
#設(shè)置鏡像對外暴露端口
EXPOSE 8061
#將當(dāng)前 target 目錄下的 jar 放置在根目錄下，命名為 app.jar，推薦使用絕對路徑。
ADD target/certif-system-2.1.0.jar /certif-system-2.1.0.jar
# 設(shè)置環(huán)境變量
ENV JAVA_OPTS="-server -Xms512m -Xmx512m"
# 時區(qū)設(shè)置
RUN echo "Asia/shanghai" > /etc/timezone
#執(zhí)行啟動命令
#ENTRYPOINT ["java", "-jar","/certif-system-2.1.0.jar"]
#ENTRYPOINT exec java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar /certif-system-2.1.0.jar
#ENTRYPOINT java $JAVA_OPTS -Xshareclasses -Xquickstart -jar /certif-system-2.1.0.jar
ENTRYPOINT java $JAVA_OPTS -Xshareclasses -Xquickstart -jar /certif-system-2.1.0.jar

FROM java:8
MAINTAINER xxx
RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
RUN echo 'Asia/Shanghai' >/etc/timezone
ENV LANG=zh_CN.UTF-8 \
	JAVA_OPTS="-server -Xms512m -Xmx512m" \
    SPRING_PROFILES_ACTIVE="dev"
#ARG JAR_FILE
#ADD ${JAR_FILE} app.jar
ADD target/myboot-api.jar app.jar
ENTRYPOINT exec java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar -Dspring.profiles.active=${SPRING_PROFILES_ACTIVE} /app.jar

echo "===============動態(tài)參數(shù)配置 begin===============>"
APPLICATION_NAME=xxx-srm-api
echo "image and container name is $APPLICATION_NAME"
 
# springboot啟動的端口號
BootPort=8082
echo "the spring boot ($APPLICATION_NAME) port is $BootPort"
 
# docker中的springboot啟動的端口號
DockerBootPort=8082
 
echo "===============動態(tài)參數(shù)配置 end===============>"
echo "build docker image"
# mvn dockerfile:build
docker build -f Dockerfile -t $APPLICATION_NAME:latest .
 
echo "current docker images："
docker images | grep $APPLICATION_NAME
 
echo "start container ===============> "
docker run -d -p $BootPort:$DockerBootPort -e JAVA_OPTS="-server -Xms512m -Xmx512m" -e SPRING_PROFILES_ACTIVE="test"  --name $APPLICATION_NAME $APPLICATION_NAME:latest