feat: upgrade to Python 3.12 and fix Docker build issues #67
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- Update Dockerfile to use Python 3.12 Lambda base image - Convert broken multi-stage build to single-stage build - Update dependency versions: Hadoop 3.3.6, AWS SDK 1.12.261, PySpark 3.5.0 - Switch from yum to dnf package manager - Add support for requirements.txt if present - Update spark-class script to prioritize Java 11 Amazon Corretto paths - Fix aws-ecr-repository-push.sh script argument validation and ECR login - Add proper error handling and usage instructions - Update all Python paths from 3.10 to 3.12 throughout - Add diagnostics for spark-class installation and verification
JohnChe88
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Jul 31, 2025
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JohnChe88
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Looks good, latest version of Python 3.12 base image and 3.5.1 spark version update will make it more secure
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