Adding an environment variable to docker file, fixing -td flag and catching exceptions and adding tag to docker image

[2niknatan]

Fixing -dt flag
Adding environment variable to docker file and changing the code accordingly
Handling exceptions so the program will not crush.
Adding a tag to the docker image the 'docker_run.sh' script.

Desired Outcome

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the original request that resulted in these code changes? Feel free to copy
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Implemented Changes

Adding environment variable and changing 'running_in_container' function.
Adding try and catch to possible functions that throw exceptions.
Adding a tag to the docker image the 'docker_run.sh' script.

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Definition of Done

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Test coverage

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Documentation

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Behavior

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Security

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