System software

One solution for mac computers would be:
1.Open your terminal
2. Type “sudo nano /etc/hosts” and hit "enter" to open the "hosts" file in another window.
3.Add the website you want blocked after the number 127.0.0.1
4.Press the Control Key + "O"
5. Type in “sudo dscacheutil -flushcache” and press "enter." ( this will reset the cache to put your changes in effect.

I think you misunderstood the problem. There are multiple independent docker instances, but all have to listen on port 80 on the same machine at the same time.

Serving multiple websites on a single host with Docker is against the principles of Docker and micro service architecture. Sure you can do it but what is blocking you from separating it into multiple docker instances. That way, if there is a problem not all of the sites go down. By separating the hosts, you make it easier the diagnose possible problems and minimize down time.

For Safari (macOS High Sierra):
1. When on website make a right-click the URL area and select option "Settings for This Website"
2. In appeared dialog box hover the cursor to "Auto-Play"
3. In menu choose preferable option: "Allow All Auto-Play", "Stop Media with Sound", "Never Auto-Play".

Make use of a time-based scheduler Cron, which is available on Debian (as well as on other Unix-like operating systems). Quartz offers a seamless integration with Java applications. Scheduling a particular script (e.g. restarting server) can be easily done using Cron expressions in form of a string consisting of five or six fields (separated by white space), which are respectively responsible for: minutes, hours, day of month, month, day of week, year.

1) Implement a procedure to restart server (e.g. integrated in Java application or through system script).
2) Make use of Quartz to provide Cron functionality to Java application, in particular to make use of Cron expressions.
3) Provide an option for (privileged/administrator) users to manage Cron expression string for restarting server in web interface.
4) Explain in a short summary the principle of functioning of Cron expressions, providing examples of the most common usages.

If Hyper-V was manually uninstalled or virtualization was disabled, Docker for Windows will not start.
A solution is to enable the virtualization on your machine. In order to do that you have to access the BIOS, select the Intel Virtual Technology and enable the virtualization.
Save the changes and restart the computer, then Docker can be started and used for deploying.

I searched for another encoder and found Google’s “GSON” project. I used it to encode the DTO “manually” (without Spring) into a String, sent it to the server and decoded the string there again via GSON (without Spring) into the original object. This time it worked as expected.

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