arrange variables to match instructions

Dockerfile

@@ -1,21 +1,21 @@
 FROM node:14 as builder
 
 WORKDIR /calcom
-ARG NEXT_PUBLIC_WEBAPP_URL
+ARG NEXT_PUBLIC_WEBAPP_URL=http://localhost:3000
 ARG NEXT_PUBLIC_APP_URL
 ARG NEXT_PUBLIC_LICENSE_CONSENT
-ARG NEXT_PUBLIC_TELEMETRY_KEY
+ARG NEXT_PUBLIC_TELEMETRY_KEY=js.2pvs2bbpqq1zxna97wcml.oi2jzirnbj1ev4tc57c5r
+ARG DATABASE_URL
 ARG NEXTAUTH_SECRET=secret
 ARG CALENDSO_ENCRYPTION_KEY=secret
-ARG DATABASE_URL
 
 ENV NEXT_PUBLIC_WEBAPP_URL=$NEXT_PUBLIC_WEBAPP_URL \
     NEXT_PUBLIC_APP_URL=$NEXT_PUBLIC_APP_URL \
     NEXT_PUBLIC_LICENSE_CONSENT=$NEXT_PUBLIC_LICENSE_CONSENT \
     NEXT_PUBLIC_TELEMETRY_KEY=$NEXT_PUBLIC_TELEMETRY_KEY \
+    DATABASE_URL=$DATABASE_URL \
     NEXTAUTH_SECRET=${NEXTAUTH_SECRET} \
-    CALENDSO_ENCRYPTION_KEY=${CALENDSO_ENCRYPTION_KEY} \
-    DATABASE_URL=$DATABASE_URL
+    CALENDSO_ENCRYPTION_KEY=${CALENDSO_ENCRYPTION_KEY}
 
 
 COPY calcom/package.json calcom/yarn.lock calcom/turbo.json ./