docker: make ACCESS_CONTEXT_ROOT param optional (default: datsets)

docker/Dockerfile.soda

@@ -45,6 +45,8 @@ COPY deps/server.xml deps/server-connector.xml ${CATALINA_BASE}/conf/
 COPY deps/soda.logging.properties ${CATALINA_BASE}/conf/
 COPY deps/setenv.sh ${CATALINA_BASE}/bin/
 
+env ACCESS_CONTEXT_ROOT=datasets
+
 # configure at start-up
 
 COPY start-soda.sh.soda /root/start-soda.sh

docker/Dockerfile.soda.temurin-jammy

@@ -45,6 +45,7 @@ COPY deps/setenv.sh ${CATALINA_BASE}/bin/
 WORKDIR ${CATALINA_BASE}
 RUN chmod -R a+rwX conf
 
+env ACCESS_CONTEXT_ROOT=datasets
 # configure during start-up
 COPY start-soda.sh.soda /root/start-soda.sh