Add a new devcontainer config with custom image for autogen

[gagb]

Why are these changes needed?

Building a new codespace is very slow because .devcontainer/Dockerfile has a lot of RUN steps.
So, to speed this up I built and hosted a new image using .devontainer/Dockerfile and hosted it on Docker Hub as gagb/autogen-default.

cd autogen/.devcontainer
docker build --platform linux/amd64 -t autogen-default -f Dockerfile .
docker tag autogen-default gagb/autogen-default

This PR adds a new devcontainer config called default-hosted which uses this image directly in its devcontainer.json.
DockerHub link of gagb/autogen-default: https://hub.docker.com/r/gagb/autogen-default

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[gagb]

@rajan-chari you've had issues with slowness of codespace. This should be a little better :)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.53%. Comparing base (77513f0) to head (53f07b8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2020   +/-   ##
=======================================
  Coverage   37.53%   37.53%           
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  Files          65       65           
  Lines        6913     6913           
  Branches     1521     1521           
=======================================
  Hits         2595     2595           
  Misses       4092     4092           
  Partials      226      226           

Flag	Coverage Δ
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[davorrunje]

I spent some time two weeks ago creating a devcontainer for another repo and I came to the conclusion that Dockerfiles are not the best way to build them. IMO, a much better approach is to use prebuilt images provided here:

https://github.com/devcontainers/images

and then to use features to customize them:

https://github.com/devcontainers/features

E.g. this is a rather complex devcontainer I built for Tensorflow support CUDA:

https://github.com/airtai/monotonic-nn/blob/refactoring-2024/.devcontainer/cuda-tf/devcontainer.json

Packages and other repo specific files are contained in a script that runs after the devcontainer is already built:

https://github.com/airtai/monotonic-nn/blob/refactoring-2024/.devcontainer/cuda-tf/setup.sh

When I change something in the setup file, the envcontainers rebuilds quickly because it will reuse the cache.

[gagb]

Is there a reason prebuilt images from that repo are better than prebuilt from dockerhub?

[davorrunje]

@gagb if I understood correctly, you have a custom image. That's a nightmarish to maintain from my experience. I would suggest using the standard image that is well maintained and tested as devcontainer and modifying it with features instead of using a Dockerfile.

I maintained a custom Dockerimage for a year and it was more time consuming than I expected. Keeping up with CUDA was certainly a large part of it so I might be too paranoid in this case.

Anyway, this is just my concern about long term maintainability. Other than that, this looks good to me.

[gagb]

No, I just wanted to understand your argument better. And your concerns about maintenance are absolutely valid.

Lets me refactor with features and report back. I had someone stop using autogen codespaces because of how long it took to build the container. And Ive been frustrated reviewing prs as well.

Will report back.

[gitguardian]

⚠️ GitGuardian has uncovered 96 secrets following the scan of your pull request.

Please consider investigating the findings and remediating the incidents. Failure to do so may lead to compromising the associated services or software components.

Since your pull request originates from a forked repository, GitGuardian is not able to associate the secrets uncovered with secret incidents on your GitGuardian dashboard.
Skipping this check run and merging your pull request will create secret incidents on your GitGuardian dashboard.

🔎 Detected hardcoded secrets in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
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10404693	Triggered	Generic High Entropy Secret	e43a86c	test/oai/test_utils.py	View secret
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12853599	Triggered	Generic High Entropy Secret	79dbb7b	test/oai/test_utils.py	View secret
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10404695	Triggered	Generic High Entropy Secret	b97b99d	test/oai/test_utils.py	View secret
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10493810	Triggered	Generic Password	49e8053	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	501610b	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	d422c63	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	97fa339	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	49e8053	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	d422c63	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	97fa339	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	d422c63	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	97fa339	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	501610b	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10404696	Triggered	Generic High Entropy Secret	954ca45	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	bdb40d7	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	79dbb7b	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	e43a86c	test/oai/test_utils.py	View secret
10422482	Triggered	Generic High Entropy Secret	79dbb7b	test/oai/test_utils.py	View secret
10422482	Triggered	Generic High Entropy Secret	bdb40d7	test/oai/test_utils.py	View secret
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11616921	Triggered	Generic High Entropy Secret	a86d0fd	notebook/agentchat_agentops.ipynb	View secret
11616921	Triggered	Generic High Entropy Secret	394561b	notebook/agentchat_agentops.ipynb	View secret
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11616921	Triggered	Generic High Entropy Secret	6563248	notebook/agentchat_agentops.ipynb	View secret
12853598	Triggered	Generic High Entropy Secret	2b3a9ae	test/oai/test_utils.py	View secret
12853598	Triggered	Generic High Entropy Secret	c03558f	test/oai/test_utils.py	View secret
10404693	Triggered	Generic High Entropy Secret	c03558f	test/oai/test_utils.py	View secret
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12853599	Triggered	Generic High Entropy Secret	2b3a9ae	test/oai/test_utils.py	View secret
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10493810	Triggered	Generic Password	3b79cc6	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	11baa52	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	11baa52	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10493810	Triggered	Generic Password	3b79cc6	notebook/agentchat_pgvector_RetrieveChat.ipynb	View secret
10404696	Triggered	Generic High Entropy Secret	0a3c6c4	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	76f5f5a	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	c03558f	test/oai/test_utils.py	View secret
10404696	Triggered	Generic High Entropy Secret	2b3a9ae	test/oai/test_utils.py	View secret
10422482	Triggered	Generic High Entropy Secret	2b3a9ae	test/oai/test_utils.py	View secret
10422482	Triggered	Generic High Entropy Secret	c03558f	test/oai/test_utils.py	View secret

and 16 others.

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