📄 Add license for new script

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

.drone.yml

@@ -40,8 +40,8 @@ steps:
   - name: docker-publish
     image: plugins/docker
     settings:
-      registry: registry.wtf-eg.net
-      repo: registry.wtf-eg.net/ki-frontend
+      registry: git.wtf-eg.de
+      repo: git.wtf-eg.de/kompetenzinventar/frontend
       target: ki-frontend
       auto_tag: true
       username:
@@ -96,8 +96,8 @@ steps:
   - name: docker-publish
     image: plugins/docker
     settings:
-      registry: registry.wtf-eg.net
-      repo: registry.wtf-eg.net/ki-frontend
+      registry: git.wtf-eg.de
+      repo: git.wtf-eg.de/kompetenzinventar/frontend
       target: ki-frontend
       auto_tag: true
       username:

Dockerfile

@@ -13,3 +13,16 @@ FROM nginx as ki-frontend
 
 COPY --from=builder /dist/ /usr/share/nginx/html/
 COPY etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf
+
+LABEL org.opencontainers.image.source=https://git.wtf-eg.de/kompetenzinventar/ki-frontend.git
+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 http://ki-backend:5000
+
+WORKDIR /usr/share/nginx/html
+
+COPY etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf
+COPY configure.sh /docker-entrypoint.d/
+COPY --from=builder /dist .

configure.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: WTF Kooperative eG <https://wtf-eg.de/>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+set -o errexit
+set +x
+
+: ${KI_API_URL:=http://ki-backend:5000}
+
+sed -e "s%\$KI_API_URL%$KI_API_URL%g" /usr/share/nginx/html/config.js.in > /usr/share/nginx/html/config.js
+
+exec "$@"

etc/nginx/conf.d/default.conf

@@ -9,10 +9,24 @@ server {
 
     #access_log  /var/log/nginx/host.access.log  main;
 
-    location / {
     root   /usr/share/nginx/html;
-        index  index.html index.htm;
-        try_files $uri $uri/ /index.html;
+
+    # routes without dots serve the index.html without caching
+    location / {
+        add_header Cache-Control "no-cache";
+        try_files $uri $uri/index.html /index.html;
+    }
+  
+    # static js and css files that get replaced instead of updated
+    location ~ \.(js|css) {
+        add_header Cache-Control "public, max-age=31536000, immutable";
+        try_files $uri =404;
+    }
+  
+    # cache other static files for 30 days
+    location ~ \.(?!html) {
+        add_header Cache-Control "public, max-age=2592000";
+        try_files $uri =404;
     }
 
     #error_page  404              /404.html;

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"
+}