fixes typos.

Dockerfile

@@ -7,6 +7,8 @@ ENV PLANTUML_VERSION 1.2022.1
 ENV PLANTUML_SHA1 ac9847dac6687f5079793952cf981f8d75ff4515
 USER root
 
+
+
 # Install minimal dependencies 
 RUN	apt-get update && apt-get install -y --no-install-recommends\
 		coreutils \
@@ -34,6 +36,12 @@ RUN conda install --quiet --yes psycopg2=2.9.1 && \
 	fix-permissions "${CONDA_DIR}" && \
 	fix-permissions "/home/${NB_USER}"
 
+RUN mkdir /usr/local/jre && \
+	curl -L https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.2%2B8/OpenJDK17U-jre_x64_linux_hotspot_17.0.2_8.tar.gz -o /usr/local/jre/jre.tgz && \
+	tar  zxf /usr/local/jre/jre.tgz --strip=1 -C /usr/local/jre && \
+	rm /usr/local/jre/jre.tgz
+ENV PATH /usr/local/jre/bin:$PATH
+
 RUN curl -L https://sourceforge.net/projects/plantuml/files/plantuml.${PLANTUML_VERSION}.jar/download -o /usr/local/bin/plantuml.jar && \
     echo "$PLANTUML_SHA1 */usr/local/bin/plantuml.jar" | sha1sum -c -