How to specify parameter variables externally in docker

FROM frolvlad/alpine-oraclejre8:slim
VOLUME /tmp
ADD app.jar /app.jar
#COPY agent/ /usr/local/skyagent/
WORKDIR /opt
COPY docker-entrypoint.sh .
ENV AP_ENV=$AP_ENV

EXPOSE 7015

ENV JAVA_OPTS=$JAVA_OPTS
ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar /app.jar" ]

sea=${sea123}
shan=${shan123}

@RestController
public class WebController {
  @Value("${sea}")
  private String sea;
  @Value("${shan}")
  private String shan;  
  @GetMapping("/sea")
  public String test() {
    return sea+shan;
  }
}

sudo docker run -it -p 9999:9999 -e 'sea=sea_test' -e 'shan=shan_test' testproperties004