Support JAVA_OPTS overwrite

Dockerfile

@@ -12,10 +12,11 @@ COPY --from=builder app/application/ ./
 
 RUN mkdir -p /data/logs
 
-ENV JVM_OPTS='-XX:MaxRAMPercentage=80 -XX:+AlwaysPreTouch \
-              -XX:+UseG1GC -Xlog:gc*:/data/logs/gc.log:time,uptime \
-              -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/data/heapdump.hprof \
-              -XX:-OmitStackTraceInFastThrow -XX:+PrintCommandLineFlags \
-              ${JAVA_OPTS}'
+ENV EXT_JVM_OPTS="${JAVA_OPTS}"
 
-ENTRYPOINT exec java ${JVM_OPTS} org.springframework.boot.loader.JarLauncher --spring.profiles.active=${PROFILE}
+ENV JVM_OPTS="-XX:MaxRAMPercentage=80 -XX:+AlwaysPreTouch\
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+              -XX:+UseG1GC -Xlog:gc*=debug:/data/logs/gc-%t.log:time,uptime\
+              -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/data/heapdump.hprof\
+              -XX:-OmitStackTraceInFastThrow -XX:+PrintCommandLineFlags $EXT_JVM_OPTS"
+
+ENTRYPOINT exec java $JVM_OPTS org.springframework.boot.loader.JarLauncher --spring.profiles.active=${PROFILE}
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