Try provide docker setup

docker/joex.dockerfile

@@ -0,0 +1,36 @@
+FROM alpine:latest
+
+ENV UNO_URL https://raw.githubusercontent.com/unoconv/unoconv/0.9.0/unoconv
+
+LABEL maintainer="eikek0 <eike@docspell.org>"
+
+RUN apk add --no-cache openjdk11-jre \
+    unzip \
+    bash \
+    curl \
+    ghostscript \
+    tesseract-ocr \
+    tesseract-ocr-data-deu \
+    unpaper \
+    wkhtmltopdf \
+    libreoffice \
+    ttf-droid-nonlatin \
+    ttf-droid \
+    ttf-dejavu \
+    ttf-freefont \
+    ttf-liberation \
+  && curl -Ls $UNO_URL -o /usr/local/bin/unoconv \
+  && chmod +x /usr/local/bin/unoconv \
+  && ln -s /usr/bin/python3 /usr/bin/python \
+  && mkdir -p /opt \
+  && cd /opt \
+  && curl -L -o docspell.zip https://github.com/eikek/docspell/releases/download/v0.4.0/docspell-joex-0.4.0.zip \
+  && unzip docspell.zip \
+  && rm docspell.zip \
+  && apk del curl unzip
+
+COPY joex/entrypoint.sh /opt/entrypoint.sh
+
+EXPOSE 7878
+
+ENTRYPOINT ["/opt/entrypoint.sh"]