chore: update Go version to 1.21 in Dockerfile and go.mod.

RandithaK · RandithaK · commit a559a026a383 · 2025-12-16T21:34:10.000+05:30
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.20-alpine AS build
+FROM golang:1.21-alpine AS build
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/CSO2/api-gateway
 
-go 1.20
+go 1.21
 
 require (
 	github.com/go-chi/chi/v5 v5.2.3
