Run template substitution on start

Former-commit-id: e072a6bc4bd5072905b32f9739cfeadca04288fb

app/data/container-build/cerc-laconic-console-host/Dockerfile

@@ -41,6 +41,7 @@ COPY --from=docker.io/mikefarah/yq:latest /usr/bin/yq /usr/local/bin/yq
 
 RUN mkdir -p /scripts
 COPY ./apply-webapp-config.sh /scripts
+COPY ./start-serving-app.sh /scripts
 
 # [Optional] Uncomment if you want to install more global node modules
 # RUN su node -c "npm install -g <your-package-list-here>"
@@ -59,11 +60,8 @@ RUN yarn global add http-server
 # Globally install the payload web app package
 RUN yarn global add @cerc-io/console-app
 
-# Run this script to substitute the config values into the unpackaged webapp files:
-# ./scripts/apply-webapp-config.sh ./config/config.yml /usr/local/share/.config/yarn/global/node_modules/@cerc-io/console-app/dist/production
-
 # Expose port for http
 EXPOSE 80
 
 # Default command sleeps forever so docker doesn't kill it
-CMD ["http-server", "-p", "80", "/usr/local/share/.config/yarn/global/node_modules/@cerc-io/console-app/dist/production"]
+CMD ["/scripts/start-serving-app.sh"]

app/data/container-build/cerc-laconic-console-host/start-serving-app.sh

@@ -2,3 +2,7 @@
 if [ -n "$CERC_SCRIPT_DEBUG" ]; then
     set -x
 fi
+# TODO: Don't hard wire this:
+webapp_files_dir=/usr/local/share/.config/yarn/global/node_modules/@cerc-io/console-app/dist/production
+/scripts/apply-webapp-config.sh /config/config.yml ${webapp_files_dir}
+http-server -p 80 ${webapp_files_dir}