查看docker容器进程运行状态命令（docker容器内要启动两个进程时Dockerfile的实现代码）

FROM library/alpine:latest
RUN apk --update add rsync openssh bash
VOLUME ["/data"]
ADD start.sh /
CMD ["/bin/bash","/start.sh"]

FROM ubuntu:latest

RUN mkdir -p "/usr/src/pdas" \
  mkdir -p "/usr/src/pdas/reload"

COPY bin.tar /usr/src/pdas
COPY config.tar /usr/src/pdas
COPY lib.tar /usr/src/pdas

WORKDIR /usr/src/pdas
RUN tar -xvf lib.tar && \
  tar -xvf bin.tar && \
  tar -xvf config.tar

ENV LD_LIBRARY_PATH /usr/src/pdas/lib/libxml/lib:/usr/src/pdas/lib/curl/lib:$LD_LIBRARY_PATH

WORKDIR /usr/src/pdas/bin
RUN chmod +x start.sh && \
  chmod +x f_recv && \
  chmod +x f_send

VOLUME /behb/diqu
VOLUME /var/log/pdas

ENTRYPOINT ./start.sh

#!/bin/bash
./f_recv &
./f_send

#!/bin/bash
# Start the first process
nohup python -u /tmp/thread1.py > /tmp/thread1.log 2>&1 &
ps aux |grep thread1 |grep -q -v grep
PROCESS_1_STATUS=$?
echo "thread1 status..."
echo $PROCESS_1_STATUS
if [ $PROCESS_1_STATUS -ne 0 ]; then
echo "Failed to start my_first_process: $PROCESS_2_STATUS"
exit $PROCESS_1_STATUS
fi
sleep 5
# Start the second process
nohup python -u /tmp/thread2.py > /tmp/thread2.log 2>&1 &
ps aux |grep thread2 |grep -q -v grep
PROCESS_2_STATUS=$?
echo "thread2 status..."
echo $PROCESS_2_STATUS
if [ $PROCESS_2_STATUS -ne 0 ]; then
echo "Failed to start my_second_process: $PROCESS_2_STATUS"
exit $PROCESS_2_STATUS
fi
# 每隔60秒检查进程是否运行
while sleep 60; do
ps aux |grep thread1 |grep -q -v grep
PROCESS_1_STATUS=$?
ps aux |grep thread2 |grep -q -v grep
PROCESS_2_STATUS=$?
# If the greps above find anything, they exit with 0 status
# If they are not both 0, then something is wrong
if [ $PROCESS_1_STATUS -ne 0 -o $PROCESS_2_STATUS -ne 0 ]; then
echo "One of the processes has already exited."
exit 1
fi

FROM centos:latest
 
COPY thread1.py /tmp/thread1.py
COPY thread2.py /tmp/thread2.py
COPY multiple_thread.sh /tmp/multiple_thread.sh
 
CMD bash /tmp/multiple_thread.sh