chore: use the npm beta version as postgraphile@5 has no docker image yet

Author: wopian

Dockerfile

@@ -1,5 +1,11 @@
-FROM graphile/postgraphile:beta
+FROM node:22-alpine
 
-RUN yarn global add \
-	postgraphile-plugin-connection-filter-relations@beta \
-	@graphile-contrib/pg-simplify-inflector
+WORKDIR /app
+
+RUN npm install -g postgraphile@beta \
+	@graphile-contrib/pg-simplify-inflector \
+	postgraphile-plugin-connection-filter-relations@beta
+
+EXPOSE 5000
+
+CMD ["postgraphile"]