fix: correct docker build

Dockerfile

@@ -40,6 +40,6 @@ RUN npm ci --omit=dev,optional,peer
 
 COPY --from=builder --chown=node:node /usr/src/app/dist ./dist
 
-EXPOSE 3004
+EXPOSE 3001
 
 CMD ["node", "dist/main"]

src/github/github.service.ts

@@ -1,7 +1,7 @@
 import { Inject, Injectable, Logger } from "@nestjs/common";
 import { ConfigType } from "@nestjs/config";
 import { graphql } from "@octokit/graphql";
-import { User } from "@octokit/graphql-schema";
+import { RateLimit, User } from "@octokit/graphql-schema";
 
 import GithubConfig from "../config/github.config";
 import getUser from "./gql/get-user";
@@ -28,4 +28,17 @@ export class GithubService {
 
     return user;
   }
+
+  async rateLimit () {
+    const { rateLimit } = await this.graphqlWithAuth<{ rateLimit: RateLimit }>(`query {
+      rateLimit {
+        limit,
+        cost,
+        remaining,
+        resetAt
+      }
+    }`);
+
+    return rateLimit;
+  }
 }

src/social-card/social-card.service.ts

@@ -36,6 +36,12 @@ export class SocialCardService {
   }
 
   async getUserCard (username: string): Promise<Buffer> {
+    const { remaining } = await this.githubService.rateLimit();
+
+    if (remaining < 1000) {
+      throw new Error("Rate limit exceeded");
+    }
+
     const { html } = await import("satori-html");
     const satori = (await import("satori")).default;