title: Docker: File (bootstrap.sh) not found in docker image while running container. Although file is present in image
body: <p>I have created an image to run docker container with chrome. Below is my code. My dockerfile does compile into image. But whenever I try to run container from image I get error "Bootstrap.sh file not found" Although file is present in my FileSystem snapshot inside image. You can check screenshot.</p>
  
  <p>Please help me resolve this issue I am new to docker.</p>
  
  <pre><code>FROM ubuntu:16.04
  
  RUN apt-get update &amp;&amp; apt-get clean &amp;&amp; apt-get install -y \
      x11vnc \
      xvfb \
      fluxbox \
      wmctrl \
      wget \
      &amp;&amp; wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
      &amp;&amp; echo "deb http://dl.google.com/linux/chrome/deb/ stable main" &gt;&gt; /etc/apt/sources.list.d/google.list \
      &amp;&amp; apt-get update &amp;&amp; apt-get -y install google-chrome-stable
  
  RUN useradd apps \
      &amp;&amp; mkdir -p /home/apps \
      &amp;&amp; chown -v -R apps:apps /home/apps
  
  COPY bootstrap.sh /
  
  CMD '/bootstrap.sh' 
  </code></pre>
  
  <p>BootStrap.sh file code:</p>
  
  <pre><code>#!/bin/bash
  
  # Based on: http://www.richud.com/wiki/Ubuntu_Fluxbox_GUI_with_x11vnc_and_Xvfb
  
  main() {
      log_i "Starting xvfb virtual display..."
      launch_xvfb
      log_i "Starting window manager..."
      launch_window_manager
      log_i "Starting VNC server..."
      run_vnc_server
  }
  
  launch_xvfb() {
      local xvfbLockFilePath="/tmp/.X1-lock"
      if [ -f "${xvfbLockFilePath}" ]
      then
          log_i "Removing xvfb lock file '${xvfbLockFilePath}'..."
          if ! rm -v "${xvfbLockFilePath}"
          then
              log_e "Failed to remove xvfb lock file"
              exit 1
          fi
      fi
  
      # Set defaults if the user did not specify envs.
      export DISPLAY=${XVFB_DISPLAY:-:1}
      local screen=${XVFB_SCREEN:-0}
      local resolution=${XVFB_RESOLUTION:-1280x960x24}
      local timeout=${XVFB_TIMEOUT:-5}
  
      # Start and wait for either Xvfb to be fully up or we hit the timeout.
      Xvfb ${DISPLAY} -screen ${screen} ${resolution} &amp;
      local loopCount=0
      until xdpyinfo -display ${DISPLAY} &gt; /dev/null 2&gt;&amp;1
      do
          loopCount=$((loopCount+1))
          sleep 1
          if [ ${loopCount} -gt ${timeout} ]
          then
              log_e "xvfb failed to start"
              exit 1
          fi
      done
  }
  
  launch_window_manager() {
      local timeout=${XVFB_TIMEOUT:-5}
  
      # Start and wait for either fluxbox to be fully up or we hit the timeout.
      fluxbox &amp;
      local loopCount=0
      until wmctrl -m &gt; /dev/null 2&gt;&amp;1
      do
          loopCount=$((loopCount+1))
          sleep 1
          if [ ${loopCount} -gt ${timeout} ]
          then
              log_e "fluxbox failed to start"
              exit 1
          fi
      done
  }
  
  run_vnc_server() {
      local passwordArgument='-nopw'
  
      if [ -n "${VNC_SERVER_PASSWORD}" ]
      then
          local passwordFilePath="${HOME}/.x11vnc.pass"
          if ! x11vnc -storepasswd "${VNC_SERVER_PASSWORD}" "${passwordFilePath}"
          then
              log_e "Failed to store x11vnc password"
              exit 1
          fi
          passwordArgument=-"-rfbauth ${passwordFilePath}"
          log_i "The VNC server will ask for a password"
      else
          log_w "The VNC server will NOT ask for a password"
      fi
  
      x11vnc -display ${DISPLAY} -forever ${passwordArgument} &amp;
      wait $!
  }
  
  log_i() {
      log "[INFO] ${@}"
  }
  
  log_w() {
      log "[WARN] ${@}"
  }
  
  log_e() {
      log "[ERROR] ${@}"
  }
  
  log() {
      echo "[$(date '+%Y-%m-%d %H:%M:%S')] ${@}"
  }
  
  control_c() {
      echo ""
      exit
  }
  
  trap control_c SIGINT SIGTERM SIGHUP
  
  main
  
  exit
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/LsZtU.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LsZtU.jpg" alt="enter image description here"></a>
  Snapshot of Error:
  <a href="https://i.stack.imgur.com/UJzsn.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UJzsn.jpg" alt="enter image description here"></a>
  Proof bootstrap.sh file is present inside my docker image</p>