For example, you can easily open the command prompt or the terminal and enter “ping localhost” or “ping 127.0.0.1”. The localhost test will show how well everything performs, from the number of data packets received, sent, or lost, to how long the data transmission takes. If there are any problems, you can immediately fix any that occur. Problem; Solution. Docker for Mac: use host.docker.internal; Docker for Windows: use host.docker.internal; Docker for Linux; References; Problem. I have redis running in localhost, when I run a docker VM, I want to connect redis from inside of Docker VM, so I do not need docker-compose for another redis VM.. Solution Docker for Mac: use host.docker.internal. For Docker on Mac, there is a magic. In Windows 7. Click "Start", type "cmd" into the search box and press enter. Once you have the command prompt in front of you, type "ipconfig /all": Scroll down until you find the IPv4 Address: Above you can see the IP address for the computer: 192.168.85.129. amit 10 June 2020 04:27 #4. Hey @zhangmingcheng28 Yes! You need to have a webserver that is listening on localhost over the port number you are trying to access. Once you send the request via Postman to that server, it will (or should) process your request and then return a response. Here is a tutorial using NodeJS to create a simple web-server. The Firebird getting started sample shows how to use FireDAC with Firebird databases. This sample allows the user to do: Temporary connection definition at run time. Master-details relationship between datasets using TFDQuery. Transactions handling with TFDTransaction. Management of Firebird database such as: managing users, creating database.