🔧 Configure KI API URL from environment

With an entrypoint script, fill the configuration template from an
environment variable containing the KI API URL.

Dockerfile

@@ -18,3 +18,12 @@ LABEL org.opencontainers.image.source=https://git.wtf-eg.de/kompetenzinventar/ki
 LABEL org.opencontainers.image.url=https://git.wtf-eg.de/kompetenzinventar/ki-frontend
 LABEL org.opencontainers.image.documentation=https://git.wtf-eg.de/kompetenzinventar/ki-frontend#docker
 LABEL org.opencontainers.image.vendor="WTF Kooperative eG"
+
+ENV KI_API_URL
+
+WORKDIR /usr/share/nginx/html
+ENTRYPOINT ["/entrypoint.sh"]A
+
+COPY etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf
+COPY entrypoint.sh /
+COPY --from=builder /dist .

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -o errexit
+
+: ${KI_API_URL:=http://ki-backend:5000}
+
+sed -e "s%\$KI_API_URL%$KI_API_URL%g" config.js.in > config.js
+
+exec "$@"

public/config.js.in

@@ -0,0 +1,7 @@
+// SPDX-FileCopyrightText: WTF Kooperative eG <https://wtf-eg.de/>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+window.ki = {
+  apiUrl: "$KI_API_URL" 
+}