update

.docker/Dockerfile

 FROM debian:latest
 RUN apt-get update && \
-	 apt-get install curl python3 python3-pip git python-autopep8 \
-     python3-pytest -y
+	 apt-get install \
+	 curl \
+	 python3 \
+	 python3-pip \
+	 git \
+	 openjdk-11-jdk-headless \
+	 python-autopep8 \
+     python3-pytest \
+	 -y
 COPY .docker/wait-for-it.sh /wait-for-it.sh
 RUN git clone https://gitlab.com/caosdb/caosdb-pylib.git && \
    cd caosdb-pylib && pip3 install .

.docker/cert.sh

+#!/bin/bash
+
+# ** header v3.0
+# This file is a part of the CaosDB Project.
+#
+# Copyright (C) 2019 Daniel Hornung, Göttingen
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+#
+# ** end header
+
+
+# Creates a directory `cert` and certificates in this directory.
+#
+# The hostname for which the certificate is created can be changed by setting
+# the environment variable CAOSHOSTNAME.
+#
+# ## Overview of variables ##
+#
+# - CAOSHOSTNAME :: Hostname for the key (localhost)
+# - KEYPW :: Password for the key (default ist CaosDBSecret)
+# - KEYSTOREPW :: Password for the key store (same as KEYPW)
+function cert() {
+    mkdir -p cert
+    cd cert
+    KEYPW="${KEYPW:-CaosDBSecret}"
+    CAOSHOSTNAME="${CAOSHOSTNAME:-localhost}"
+    KEYSTOREPW="${KEYPW:-}"
+    # NOTE: KEYPW and KEYSTOREPW are the same, due to Java limitations.
+    KEYPW="${KEYPW}" openssl genrsa -aes256 -out caosdb.key.pem \
+         -passout env:KEYPW 2048
+    # Certificate is for localhost
+    KEYPW="${KEYPW}" openssl req -new -x509 -key caosdb.key.pem \
+         -out caosdb.cert.pem -passin env:KEYPW \
+         -subj "/C=/ST=/L=/O=/OU=/CN=${CAOSHOSTNAME}"
+    KEYPW="${KEYPW}" KEYSTOREPW="$KEYSTOREPW" openssl pkcs12 -export \
+         -inkey caosdb.key.pem -in caosdb.cert.pem -out all-certs.pkcs12 \
+         -passin env:KEYPW -passout env:KEYPW
+
+    keytool -importkeystore -srckeystore all-certs.pkcs12 -srcstoretype PKCS12 \
+            -deststoretype pkcs12 -destkeystore caosdb.jks \
+            -srcstorepass "${KEYPW}" \
+            -destkeypass "${KEYPW}" -deststorepass "$KEYSTOREPW"
+    echo "Certificates successfuly created."
+}
+
+cert