Dominoes: All Fives, one against three, first to 250

Four at the table with a double-six set: five tiles each and a boneyard,
the first double a spinner that opens four ways, and every multiple of
five on the ends scored as it falls. Three computer players who count
what the table can see and never a hand, and talk the whole time.

Served at games.jcoffey.dev/dominoes/, built from this repository.

web/Dockerfile

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+# The game is a static bundle. It is built here and served by nginx, in its own
+# container - it shares nothing with the rest of the site but the domain.
+#
+# It talks to no service at all. There is no score to post: a game against
+# three bots is won or lost, and the points in it are only the way there.
+FROM node:26-alpine AS build
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY tsconfig*.json vite.config.ts index.html ./
+COPY public ./public
+COPY src ./src
+# Must match where the host proxies it, or the asset URLs will be wrong.
+ARG BASE_PATH=/dominoes/
+ENV BASE_PATH=${BASE_PATH}
+RUN npm run build
+
+FROM nginx:alpine
+COPY web/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 8080
+HEALTHCHECK --interval=30s --timeout=3s --retries=3 \
+  CMD wget -qO- http://127.0.0.1:8080/healthz >/dev/null || exit 1

web/nginx.conf

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+server {
+    listen 8080;
+    server_name _;
+    root /usr/share/nginx/html;
+
+    # Hashed filenames, so they can be cached hard.
+    location /assets/ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        try_files $uri =404;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-cache";
+    }
+
+    location = /healthz {
+        access_log off;
+        return 200 "ok\n";
+    }
+}