pymupdf deps added

Author: kazmer97

Dockerfile.optimized

@@ -10,6 +10,11 @@ FROM ghcr.io/astral-sh/uv:0.9.6 AS uv
 # Builder stage - bundle dependencies into Lambda task root
 FROM public.ecr.aws/lambda/python:3.12-arm64 AS builder
 
+# Install build dependencies for packages that need compilation (pymupdf, etc.)
+# These are only needed during the build stage and won't be in the final image
+# Amazon Linux 2023 uses microdnf (symlinked as dnf) instead of yum
+RUN dnf install -y gcc gcc-c++ make && dnf clean all && rm -rf /var/cache/dnf
+
 # Enable bytecode compilation to improve cold-start performance
 ENV UV_COMPILE_BYTECODE=1