1. Make sure the shell script in /.docker is executable.

   # From .docker folder:
   cd .docker
   chmod +x keyfile.sh entrypoint.sh start.sh

   OR

   # From root folder:
   chmod +x .docker/keyfile.sh .docker/entrypoint.sh .docker/start.sh

2. Run the script.

   # From .docker folder:
   cd .docker
   start.sh

   OR

   # From root folder:
   .docker/start.sh

3. (Optional): Open the Mongo DB shell (mongosh) in your bash terminal

   You can open the MongoDB shell (mongosh) in your bash terminal to interact with your Mongo DB instance after your script has started the MongoDB containers. NOTE: ${DATABASE_NAME} should usually be "admin".

   cd ./docker
   
   docker exec -it mongo1 mongosh -u ${USERNAME} -p ${PASSWORD} --authenticationDatabase ${DATABASE_NAME}

   OR

   cd ./docker
   
   # Opens a bash shell inside the mongo1 container first
   docker exec -it mongo1 bash
   
   # Then run mongosh (Mongo Shell)
   mongosh -u ${USERNAME} -p ${PASSWORD} --authenticationDatabase ${DATABASE_NAME}

4. Testing connection string as if connecting from client

   You can login from the CLI as following:

   mongosh --username ${USERNAME} --password ${PASSWORD} --host mongo1

   OR

   # Just directly pass a connection string.
   mongosh "mongodb://${USERNAME}:${PASSWORD}@localhost/${DB_NAME}"

Run the following script (Specify -v to also remove volumes):

# From .docker folder:
cd .docker
docker-compose down -v

OR

# From root folder:
docker-compose -f .docker/docker-compose.yaml down -v

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