pass more envvars to entrypoint

Dockerfile

@@ -90,9 +90,15 @@ ENV MDL=Sonstige
 ENV TIMEOUT=200
 # number of parallel worker processes
 ENV WORKERS=1
-# number of shared GPU clients (should be equal WORKERS)
-ENV MRCNNPROCS=1
-CMD make -I /usr/share/workflow-configuration -f /usr/share/workflow-configuration/smarthec-sparse-tesseract-deu.mk server MDL=$MDL PORT=7001 HOST=0.0.0.0 TIMEOUT=$TIMEOUT WORKERS=$WORKERS MRCNNPROCS=$MRCNNPROCS
+# number of shared GPU clients on this server (should be smaller WORKERS)
+ENV CUDA_WORKERS=1
+# number of shared GPU clients on this GPU
+ENV MRCNNPROCS=3
+# workflow configuration makefile to start server for
+ENV WORKFLOW=smarthec-sparse-tesseract-deu
+# bad context prediction requires lowering layout prediction threshold
+ENV MIN_CONFIDENCE=0.0
+CMD make -I /usr/share/workflow-configuration -f /usr/share/workflow-configuration/$WORKFLOW.mk server MDL=$MDL PORT=7001 HOST=0.0.0.0 TIMEOUT=$TIMEOUT WORKERS=$WORKERS MRCNNPROCS=$MRCNNPROCS CUDA_WORKERS=$CUDA_WORKERS MIN_CONFIDENCE=$MIN_CONFIDENCE
 
 # start with `docker run -p N:7001` and query with `ocrd workflow client -p N`
 EXPOSE 7001