Update Dockerfile

Dockerfile

@@ -16,10 +16,10 @@ RUN set -eux; \
         libjpeg-dev libpng-dev \
         libopenblas-dev liblapack-dev gfortran \
         unixodbc unixodbc-dev; \
-    # Microsoft repo for SQL Server ODBC driver 18
-    curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -; \
-    . /etc/os-release; \
-    echo "deb [arch=amd64] https://packages.microsoft.com/debian/${VERSION_CODENAME}/prod ${VERSION_CODENAME} main" \
+    # Add Microsoft repo key (no apt-key) and point to Debian 12 (bookworm)
+    curl -fsSL https://packages.microsoft.com/keys/microsoft.asc \
+      | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg; \
+    echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft-prod.gpg] https://packages.microsoft.com/debian/12/prod bookworm main" \
       > /etc/apt/sources.list.d/microsoft-prod.list; \
     apt-get update; \
     ACCEPT_EULA=Y apt-get install -y --no-install-recommends msodbcsql18 mssql-tools18; \