Add osmcha-frontend container

chartpress.yaml

@@ -18,3 +18,5 @@ charts:
         valuesPath: ohm.tilerCache.image
       cgimap:
         valuesPath: ohm.cgimap.image
+      osmcha-frontend:
+        valuesPath: ohm.osmchaWeb.image

images/osmcha-frontend/Dockerfile

@@ -0,0 +1,28 @@
+FROM node:22-alpine as builder
+
+ENV DEBIAN_FRONTEND noninteractive
+
+ARG GITSHA=e5d7de531016c3e4cb9aef684c2e8c3bff20e602
+ARG BUILD_ENV=prod
+
+WORKDIR /app
+
+## Clone osmcha repo
+RUN apk add --no-cache git \
+    && git clone https://github.com/OpenHistoricalMap/osmcha-frontend.git/app \
+    && cd /app \
+    && git checkout $GITSHA
+
+RUN yarn set version stable
+RUN yarn install
+
+ENV REACT_APP_PRODUCTION_API_URL /api/v1
+ENV NODE_OPTIONS --openssl-legacy-provider
+
+RUN yarn run build:${BUILD_ENV}
+
+FROM nginx:alpine
+
+COPY --from=builder /app/build /srv/www
+
+COPY nginx.conf /etc/nginx/templates/default.conf.template

images/osmcha-frontend/nginx.conf

@@ -0,0 +1,36 @@
+server {
+  listen 80;
+  charset utf-8;
+
+  include /etc/nginx/mime.types;
+  default_type application/octet-stream;
+
+  gzip on;
+  sendfile on;
+  tcp_nopush on;
+  tcp_nodelay on;
+  keepalive_timeout 65;
+
+  location ~ ^/(api|admin) {
+    # /api and /admin routes are handled by the backend
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header Host $http_host;
+    proxy_redirect off;
+    proxy_pass $BACKEND_URL;
+  }
+
+  location /static {
+    # /static files are served without any magic (exact path or 404)
+    root /srv/www;
+    try_files $uri =404;
+  }
+
+  location / {
+    # other routes are served by trying the exact path, and falling back to
+    # serving the app entrypoint (index.html). this is needed because the
+    # frontend JS code uses the path component of the URL in its client-side
+    # routing.
+    root /srv/www;
+    try_files $uri $uri/ /index.html;
+  }
+}

ohm/values.yaml

@@ -23,6 +23,10 @@ osm-seed:
     image:
       name: chartpress_replace_me
       tag: chartpress_replace_me
+  osmchaWeb:
+    image:
+      name: chartpress_replace_me
+      tag: chartpress_replace_me
 ohm:
   tilerCache:
     image: