try to fix it

docker/Dockerfile

@@ -31,14 +31,13 @@ apt-get update \
     graphviz \
     libfuse2 \
     libmagic1 \
-    libmariadb3 \
+    libmariadbclient-dev \
     libreoffice \
     libpq5 \
     poppler-utils \
     redis-server \
     sane-utils \
     sudo \
-		sed \
     supervisor \
     tesseract-ocr \
 # Remove make and build dependencies
@@ -85,8 +84,6 @@ COPY --chown=mayan:mayan \
 
 COPY --chown=mayan:mayan mayan /src/mayan
 
-RUN sed '/st_mysql_options options;/a unsigned int reconnect;' /usr/include/mariadb/mysql/mysql.h -i.bkp
-
 # Install development packages needed to build the Python packages
 RUN DEBIAN_FRONTEND=noninteractive \
 apt-get install -y --no-install-recommends \
@@ -129,11 +126,8 @@ RUN python -m virtualenv "${PROJECT_INSTALL_DIR}" \
 && mayan-edms.py installjavascript \
 && MAYAN_STATIC_ROOT=${PROJECT_INSTALL_DIR}/static mayan-edms.py preparestatic --link --noinput
 
-RUN apt install -y tesseract-ocr-deu
-
 COPY --chown=mayan:mayan requirements/testing-base.txt "${PROJECT_INSTALL_DIR}"
 
-
 ####
 # Final image - BASE_IMAGE + Mayan install directory from the builder image
 ####
@@ -153,7 +147,6 @@ ENTRYPOINT ["entrypoint.sh"]
 EXPOSE 8000
 CMD ["mayan"]
 
-
 RUN ${PROJECT_INSTALL_DIR}/bin/mayan-edms.py platformtemplate supervisord_docker > /etc/supervisor/conf.d/mayan.conf \
 && apt-get clean autoclean \
 && apt-get autoremove --purge -y \