fix: Dockerfile PORT expose

Author: Pradumnasaraf

Dockerfile

@@ -1,11 +1,11 @@
 FROM golang:1.23-alpine AS builder
 WORKDIR /build
-EXPOSE 8081
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
 RUN go build -o /app .
 
-FROM alpine:3.17
+FROM alpine:3.17 AS final
+EXPOSE 8080
 COPY --from=builder /app /bin/app
 CMD ["bin/app"]