It is a tool which is used to create and start Docker application by using a single command. We can use it to file to configure our application's services.
It is a great tool for development, testing, and staging environments.
It provides the following commands for managing the whole lifecycle of our application.
To implement compose, it consists the following steps.
A typical docker-compose.yml file has the following format and arguments.
Installing Docker Compose
Following are the instructions to install Docker Compose in Linux Ubuntu.
It says, permission denied. So, make file executable.
Now, check version again.
Running Application using Docker Compose
Follow the following example
1) Create a Directory
2) Create a file app.py.
3) Create a file requirements.txt.
4) Create a Dockerfile.
5) Create a Compose File.
6) Build and Run Docker App with Compose
After running the above command, it shows the following output.
Now, we can see the output by following the running http url.
Each time, when we refresh the page. It shows counter incremented by 1.