fix

Dockerfile

@@ -4,14 +4,17 @@ FROM python:3.11-slim
 ENV DEBIAN_FRONTEND=noninteractive
 ENV ACCEPT_EULA=Y
 
-# unixODBC + Microsoft repo + ODBC 17
+# unixODBC + Microsoft repo (Debian 12) + ODBC 17 (no apt-key)
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl gnupg apt-transport-https ca-certificates build-essential unixodbc unixodbc-dev \
- && curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - \
- && curl https://packages.microsoft.com/config/debian/12/prod.list > /etc/apt/sources.list.d/mssql-release.list \
- && apt-get update \
- && apt-get install -y --no-install-recommends msodbcsql17 \
- && rm -rf /var/lib/apt/lists/*
+      curl gnupg ca-certificates build-essential unixodbc unixodbc-dev \
+  && mkdir -p /etc/apt/keyrings \
+  && curl -fsSL https://packages.microsoft.com/keys/microsoft.asc \
+     | gpg --dearmor -o /etc/apt/keyrings/microsoft.gpg \
+  && echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/microsoft.gpg] https://packages.microsoft.com/debian/12/prod stable main" \
+     > /etc/apt/sources.list.d/microsoft-prod.list \
+  && apt-get update \
+  && apt-get install -y --no-install-recommends msodbcsql17 \
+  && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
@@ -22,5 +25,4 @@ COPY server.py /app/
 
 ENV PORT=7860
 EXPOSE 7860
-
 CMD ["python", "server.py"]