Update Dockerfile to set VITE_ANALYTICS_DOMAIN as an environment variable and remove it from staging build workflow

Author: andrasbacsai

.github/workflows/staging-build.yml

@@ -8,7 +8,6 @@ on:
 env:
   GITHUB_REGISTRY: ghcr.io
   IMAGE_NAME: coollabsio/documentation-coolify
-  VITE_ANALYTICS_DOMAIN: next.coolify.io/docs
 
 jobs:
   build:

Dockerfile

@@ -1,7 +1,7 @@
 # Stage 1: Build Stage (oven/bun:1.1.44-alpine, ARM64)
 FROM oven/bun:1.1.44-alpine AS builder
 
-ARG VITE_ANALYTICS_DOMAIN
+ENV VITE_ANALYTICS_DOMAIN=next.coolify.io/docs
 RUN apk add --no-cache nodejs npm
 
 # Set working directory and copy necessary files