[+] add proxy variables to docker images

[thiagoras]

Environment variables with warming suppression

Addition of environment variables so that the docker image build can access repositories on the internet if a private network with a defined proxy is being used.

To avoid warnings, I added the .env file with the unconfigured variables.

[coveralls]

Pull Request Test Coverage Report for Build 15469902874

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 60.442%

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Totals
Change from base Build 15469774074:	0.0%
Covered Lines:	2683
Relevant Lines:	4439

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💛 - Coveralls

[pashagolub]

$ docker compose -f ./docker/docker-compose.yml build
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTP_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTPS_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"NO_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTPS_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"NO_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTP_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTP_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTPS_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"NO_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"NO_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTP_PROXY\" variable is not set. Defaulting to a blank string."
time="2025-06-05T16:35:49+02:00" level=warning msg="The \"HTTPS_PROXY\" variable is not set. Defaulting to a blank string."
...