Rework docker setup

docker/dockerfiles/joex.dockerfile

@@ -0,0 +1,68 @@
+FROM alpine:latest
+
+ARG version=
+ARG joex_url=
+ARG UNO_URL=https://raw.githubusercontent.com/unoconv/unoconv/0.9.0/unoconv
+
+ENV JAVA_OPTS="-Xmx1536M"
+
+RUN apk add --no-cache openjdk11 \
+    tzdata \
+    bash \
+    curl \
+    ghostscript \
+    tesseract-ocr \
+    tesseract-ocr-data-deu \
+    tesseract-ocr-data-fra \
+    tesseract-ocr-data-ita \
+    tesseract-ocr-data-spa \
+    tesseract-ocr-data-por \
+    tesseract-ocr-data-ces \
+    tesseract-ocr-data-nld \
+    tesseract-ocr-data-dan \
+    tesseract-ocr-data-fin \
+    tesseract-ocr-data-nor \
+    tesseract-ocr-data-swe \
+    tesseract-ocr-data-rus \
+    tesseract-ocr-data-ron \
+    tesseract-ocr-data-lav \
+    unpaper \
+    wkhtmltopdf \
+    libreoffice \
+    ttf-droid-nonlatin \
+    ttf-droid \
+    ttf-dejavu \
+    ttf-freefont \
+    ttf-liberation \
+    libxml2-dev \
+    libxslt-dev \
+    pngquant \
+    zlib-dev \
+    g++ \
+    qpdf \
+    py3-pip \
+    python3-dev \
+    libffi-dev\
+    qpdf-dev \
+    openssl-dev \
+    ocrmypdf \
+  && pip3 install --upgrade pip \
+  && pip3 install ocrmypdf \
+  && curl -Ls $UNO_URL -o /usr/local/bin/unoconv \
+  && chmod +x /usr/local/bin/unoconv \
+  && apk del curl libxml2-dev libxslt-dev zlib-dev g++ python3-dev py3-pip libffi-dev qpdf-dev openssl-dev \
+  && ln -s /usr/bin/python3 /usr/bin/python
+
+WORKDIR /opt
+RUN wget ${joex_url:-https://github.com/eikek/docspell/releases/download/v$version/docspell-joex-$version.zip} && \
+  unzip docspell-joex-*.zip && \
+  rm docspell-joex-*.zip && \
+  ln -snf docspell-joex-* docspell-joex
+
+COPY joex-entrypoint.sh /opt/joex-entrypoint.sh
+
+ENTRYPOINT ["/opt/joex-entrypoint.sh"]
+EXPOSE 7878
+
+HEALTHCHECK --interval=1m --timeout=10s --retries=2 --start-period=10s \
+  CMD pgrep -f joex/lib