fix(docker): move base image off EOL bullseye (#2421)

Dockerfile

@@ -1,13 +1,14 @@
-FROM python:3.13-slim-bullseye
+FROM python:3.13-slim-trixie
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV EXIFTOOL_PATH=/usr/bin/exiftool
 ENV FFMPEG_PATH=/usr/bin/ffmpeg
+ENV ORT_DISABLE_TELEMETRY=1
 
 # Runtime dependency
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ffmpeg \
-    exiftool
+    libimage-exiftool-perl
 
 ARG INSTALL_GIT=false
 RUN if [ "$INSTALL_GIT" = "true" ]; then \

packages/markitdown-mcp/Dockerfile

@@ -1,28 +1,27 @@
-FROM python:3.13-slim-bullseye
+FROM python:3.13-slim-trixie
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV EXIFTOOL_PATH=/usr/bin/exiftool
 ENV FFMPEG_PATH=/usr/bin/ffmpeg
 ENV MARKITDOWN_ENABLE_PLUGINS=True
+ENV ORT_DISABLE_TELEMETRY=1
 
-# Runtime dependency
-# NOTE: Add any additional MarkItDown plugins here
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg \
-    exiftool
-
-# Cleanup
-RUN rm -rf /var/lib/apt/lists/*
+# Runtime dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        ffmpeg \
+        libimage-exiftool-perl \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY . /app
-RUN pip --no-cache-dir install /app
+
+RUN pip install --no-cache-dir /app
 
 WORKDIR /workdir
 
-# Default USERID and GROUPID
 ARG USERID=nobody
 ARG GROUPID=nogroup
 
-USER $USERID:$GROUPID
+USER ${USERID}:${GROUPID}
 
-ENTRYPOINT [ "markitdown-mcp" ]
+ENTRYPOINT ["markitdown-mcp"]

packages/markitdown-mcp/src/markitdown_mcp/__main__.py

@@ -3,6 +3,7 @@ import sys
 import os
 from collections.abc import AsyncIterator
 from mcp.server.fastmcp import FastMCP
+from mcp.server.fastmcp.server import Settings
 from starlette.applications import Starlette
 from mcp.server.sse import SseServerTransport
 from starlette.requests import Request
@@ -13,6 +14,10 @@ from mcp.server.streamable_http_manager import StreamableHTTPSessionManager
 from markitdown import MarkItDown
 import uvicorn
 
+# Resolve the forward reference in Settings.lifespan before the model is first
+# instantiated, otherwise pydantic-settings emits IncompleteFieldDefinitionWarning.
+Settings.model_rebuild()
+
 # Initialize FastMCP server for MarkItDown (SSE)
 mcp = FastMCP("markitdown")