Add mvp/b2b/Dockerfile

mvp/b2b/Dockerfile

@@ -0,0 +1,12 @@
+FROM nginx:alpine
+
+# Serve the landing as index.html
+COPY landing_reformix.html /usr/share/nginx/html/index.html
+
+# Custom nginx config: gzip, caching, security headers
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+  CMD wget -q --spider http://localhost/ || exit 1