Add baseline start point (#1)

Co-authored-by: Michael DiLeo <michael.dileo@oakstreethealth.com>
Reviewed-on: #1

Dockerfile

@@ -0,0 +1,18 @@
+FROM nginx:1.25-alpine
+
+COPY nginx.conf /etc/nginx/nginx.conf
+
+COPY public/ /usr/share/nginx/html/
+
+RUN chown -R nginx:nginx /usr/share/nginx/html \
+    && chmod -R 755 /usr/share/nginx/html
+
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost/ || exit 1
+
+EXPOSE 80
+
+USER nginx
+
+CMD ["nginx", "-g", "daemon off;"]