add nextjs app: yoga-app

environment/infra/docker-compose/yogastic/.env.example

@@ -0,0 +1,15 @@
+# Copy from .env.local on the Vercel dashboard
+# https://nextjs.org/learn/dashboard-app/setting-up-your-database#create-a-postgres-database
+POSTGRES_URL="postgres://nextjs:nextjs@nextjs-db:5432/nextjs"
+POSTGRES_URL_NON_POOLING="postgres://nextjs:nextjs@nextjs-db:5432/nextjs"
+POSTGRES_USER="nextjs"
+POSTGRES_HOST="nextjs-db"
+POSTGRES_PORT="5432"
+POSTGRES_PASSWORD="nextjs"
+POSTGRES_DATABASE="nextjs"
+
+# `openssl rand -base64 32`
+AUTH_SECRET=
+AUTH_URL=http://localhost:3000/api/auth
+
+COMPOSE_PROJECT_NAME=yoga-infra