Updating dockerfile and exposed port

Dockerfile

@@ -1,9 +1,17 @@
-FROM node:20
+FROM node:20 as builder
 
 WORKDIR /app
-COPY package.json ./
+COPY package.json yarn.lock ./
 RUN yarn install
 COPY . .
-EXPOSE 8080
 RUN yarn build
+
+FROM node:20-slim
+
+WORKDIR /app
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/lib ./lib
+COPY package.json yarn.lock ./
+
+EXPOSE 80
 CMD [ "node", "lib/index.js" ]

src/index.ts

@@ -7,7 +7,7 @@ import helmet from "helmet";
 
 dotenv.config();
 
-const port = process.env.PORT || 8080;
+const port = process.env.PORT || 80;
 const app = express();
 
 console.log("Starting Liquidator");
@@ -56,7 +56,6 @@ chains.forEach((chain) => {
 });
 
 app.get("/liquidator_readiness_check", (req, res) => {
-  console.log("Received readiness check");
   res.send("OK");
 });