feat: generate a shiny config for running in renkulab

Dockerfile

@@ -7,6 +7,13 @@ ENV NB_GID=997
 COPY fix-permissions.sh /usr/local/bin
 RUN fix-permissions.sh /usr/local/lib/R
 
-COPY shiny-server.conf /etc/shiny-server/shiny-server.conf
+RUN apt-get update && apt-get install -y \
+    gettext-base
+
+COPY shiny-server.conf.tpl /shiny-server.conf.tpl
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chown shiny:shiny /etc/shiny-server/shiny-server.conf
 
 USER shiny
+ENTRYPOINT ["/bin/sh", "/docker-entrypoint.sh"]
+CMD ["/init"]

docker-entrypoint.sh

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2025 - Swiss Data Science Center (SDSC)
+# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
+# Eidgenössische Technische Hochschule Zürich (ETHZ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+envsubst < /shiny-server.conf.tpl > /etc/shiny-server/shiny-server.conf
+
+echo "Using shiny-server.conf:"
+cat /etc/shiny-server/shiny-server.conf
+
+exec "$@"

shiny-server.conf → shiny-server.conf.tpl

@@ -5,8 +5,8 @@ run_as shiny;
 server {
   listen 3838;
 
-  # Define a location at the base URL
-  location / {
+  # Renku will pass in the base URL path to the container
+  location /$RENKU_BASE_URL_PATH/ {
 
     # Host the directory of Shiny Apps stored in this directory
     site_dir /srv/shiny-server;