feat: implements modal wrapper + dockerfile for modal containers #469
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WalkthroughThis pull request introduces a new deployment strategy for the Cognee application using Modal's GPU-powered infrastructure. The changes include a new Dockerfile configured for Python 3.11-slim, an updated README with detailed deployment instructions, and a new Changes
Sequence DiagramsequenceDiagram
participant User
participant ModalApp
participant CogneeSys
participant SearchEngine
User->>ModalApp: Provide text and query
ModalApp->>CogneeSys: Add text
CogneeSys->>CogneeSys: Cognification process
CogneeSys->>SearchEngine: Perform graph completion search
SearchEngine-->>CogneeSys: Return search results
CogneeSys-->>ModalApp: Return processed results
ModalApp-->>User: Display results
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Actionable comments posted: 1
🧹 Nitpick comments (7)
Dockerfile_modal (5)
1-2: Consider pinning the Python base image version.
Usingpython:3.11-slimwithout a specific patch version may yield unpredictable builds over time.
3-8: Avoid duplicating PYTHONPATH environment variable.
PYTHONPATH is set again at line 22. Consider consolidating them to reduce confusion in the environment.ENV PIP_NO_CACHE_DIR=true ENV PATH="${PATH}:/root/.poetry/bin" -ENV PYTHONPATH=/app ENV RUN_MODE=modal ENV SKIP_MIGRATIONS=true
10-17: Efficiently layer and manage build dependencies.
You can merge theapt-getcommands and the Poetry installation steps into fewer layers to reduce image size. Also consider pinning each package version or using a multi-stage build if final size is critical.
19-23: Consolidate sequential WORKDIR and ENV lines.
You have multipleWORKDIR /appstatements (lines 19 and 23) and repeated setting ofPYTHONPATH. Group them into a single block to simplify the Dockerfile.
27-29: Pin Poetry to a specific version.
Pinning Poetry ensures consistent builds and reduces the risk of sudden breakage due to updated Poetry versions.RUN pip install poetry +RUN poetry --version # or specify pip install poetry==1.5.x RUN poetry install --all-extras --no-root --without devmodal_wrapper.py (2)
25-45: Handle Sentry DSN and potential errors more robustly.
Currently,sentry_sdk.init(dsn=None)means Sentry isn’t actually capturing events. If error tracking is critical, supply a real DSN or pass the DSN as an environment variable. Also, confirm that thetry/finallyarchitecture suffices for your error-handling needs.
76-76: Use a more graceful shutdown.
ForcingSIGKILLcan skip teardown steps like cleanup or final logging. Consider a normal exit or a SIGTERM followed by awaiting cleanup if you need a graceful shutdown.- os.kill(os.getpid(), signal.SIGKILL) + # Prefer a graceful approach: + # os.kill(os.getpid(), signal.SIGTERM) + # await asyncio.sleep(1) # finalize ongoing tasks + # or simply: + return 0
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🔇 Additional comments (3)
Dockerfile_modal (1)
31-32: Confirm that copying these files is necessary and secure.
Copying the entirecogneedirectory andREADME.mdis valid, but ensure no sensitive or extraneous files are included.✅ Verification successful
Copying these files is both necessary and secure
Thecogneedirectory contains only Python source code, properly isolated test files, and essential assets. No sensitive files, credentials, or unnecessary build artifacts were found. TheREADME.mdis required for documentation.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for large or sensitive files in the `cognee` directory. fd --type f . cognee | xargs ls -lahLength of output: 39701
modal_wrapper.py (2)
15-22: Ensure environment variables are set at runtime.
You rely onos.getenv("ENV")andos.getenv("LLM_API_KEY")for.env(...). Verify these are provided in production for consistent behavior.
47-64: Mismatched text-query pairs.
Line 53 references “Bluefin tuna” but line 54 queries about water in Jezero Crater. This may cause nonsensical results. Please confirm this is intentional.
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Actionable comments posted: 1
🧹 Nitpick comments (6)
modal_deployment.py (3)
1-7: Consolidate imports for readability and maintenance
You may consider grouping relevant built-in and third-party imports to improve clarity. While this is optional, it often enhances the code's organization.
11-21: Ensure environment variables are set before building the Docker image
If.envis not properly configured,os.getenv("LLM_API_KEY")oros.getenv("ENV")could beNone, causing unexpected behavior. Consider providing default values or adding checks before building the image.Do you want me to add a script that warns the user if these environment variables are unset before building?
39-94: Use a more graceful shutdown instead of forcefully sending SIGTERM
Invokingos.kill(os.getpid(), signal.SIGTERM)can terminate other background tasks abruptly. Consider allowing the event loop to exit naturally or implement a structured shutdown routine.- os.kill(os.getpid(), signal.SIGTERM) + # Consider a graceful shutdown: + # For example, await any cleanup tasks or simply let the script exit. + # e.g., asyncio.get_event_loop().stop()README.md (3)
244-244: Use a sub-heading for "Deployment at Scale (Modal)" rather than a level-3 heading with a hash
To keep consistency with the rest of the heading styles, consider using the same heading style (## or ###) consistently.
248-248: Convert emphasis to headings for better readability
Markdownlint warns against using bold for headings (MD036). Use a heading syntax (e.g.,####) instead of double-asterisks.-**1. Install the modal python client** +#### 1. Install the modal python client -**2. Create a free account on [Modal](https://modal.com)** +#### 2. Create a free account on [Modal](https://modal.com) -**3. Set Up Modal API Key** +#### 3. Set Up Modal API Key -**4. Run cognee example** +#### 4. Run cognee exampleAlso applies to: 254-254, 259-259
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🪛 Markdownlint (0.37.0)
248-248: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
261-261: Add a clarifying comma
A comma after “instances” would improve readability.-This simple example will deploy separate cognee instances building their own memory stores... +This simple example will deploy separate cognee instances, building their own memory stores...🧰 Tools
🪛 LanguageTool
[uncategorized] ~261-~261: Possible missing comma found.
Context: ...ple example will deploy separate cognee instances building their own memory stores and an...(AI_HYDRA_LEO_MISSING_COMMA)
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README.md
[uncategorized] ~261-~261: Possible missing comma found.
Context: ...ple example will deploy separate cognee instances building their own memory stores and an...
(AI_HYDRA_LEO_MISSING_COMMA)
🪛 Markdownlint (0.37.0)
README.md
248-248: null
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254-254: null
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259-259: null
Emphasis used instead of a heading
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🔇 Additional comments (1)
modal_deployment.py (1)
8-10: Validate the cognee imports
Confirm that these imports are necessary and that any referenced modules are properly installed to avoid import errors or missing dependencies when running in new environments.
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Actionable comments posted: 2
🧹 Nitpick comments (3)
README.md (3)
244-247: Enhance the Modal deployment section introduction.Consider these improvements for better clarity:
- Replace "4(+1)" with "5" for simplicity
- Add a brief explanation of Modal's benefits (e.g., GPU acceleration, auto-scaling)
-Scale cognee in 4(+1) simple steps to handle enterprise workloads using [Modal](https://modal.com)'s GPU-powered infrastructure +Scale cognee in 5 simple steps using [Modal](https://modal.com)'s GPU-powered infrastructure. Modal provides automatic GPU acceleration and seamless scaling for handling enterprise workloads.
252-253: Add context about Modal account requirements.Consider adding a note about account requirements (e.g., free tier limitations, billing information if needed).
**2. Create a free account on [Modal](https://modal.com)** +Modal offers a free tier suitable for testing. For production deployments, review their pricing and resource limits.
265-265: Add resources for Modal development.Consider adding links to Modal's documentation and examples to help users develop their solutions.
-**5. Change the modal_deploy script and develop your own AI memory at scale 🚀** +**5. Develop your own AI memory at scale 🚀** + +Check out these resources to customize your Modal deployment: +- [Modal Documentation](https://modal.com/docs/guide) +- [Cognee Examples](./examples/modal/)🧰 Tools
🪛 Markdownlint (0.37.0)
265-265: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
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README.md(1 hunks)
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README.md
[uncategorized] ~261-~261: Possible missing comma found.
Context: ...ple example will deploy separate cognee instances building their own memory stores and an...
(AI_HYDRA_LEO_MISSING_COMMA)
🪛 Markdownlint (0.37.0)
README.md
248-248: null
Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
254-254: null
Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
259-259: null
Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
265-265: null
Emphasis used instead of a heading
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🔇 Additional comments (1)
README.md (1)
248-251: LGTM!The pip installation command is clear and correctly formatted.
🧰 Tools
🪛 Markdownlint (0.37.0)
248-248: null
Emphasis used instead of a heading(MD036, no-emphasis-as-heading)
Description
DCO Affirmation
I affirm that all code in every commit of this pull request conforms to the terms of the Topoteretes Developer Certificate of Origin
Summary by CodeRabbit
New Features
Documentation
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