feat: remove appwrite and add nextjs backend

.env.example

@@ -1,9 +1,15 @@
-# Appwrite
-APPWRITE_FUNCTION_API_KEY=your-api-key
-PUBLIC_APPWRITE_HOST=http://localhost/v1
+# DATABASE
+DB_URL="postgresql://${DB_USER}:${DB_PASSWORD}@${DB_HOST}/pingvin-share?schema=public"
+DB_USER=postgres
+DB_PASSWORD=postgres
+DB_HOST=db:5432
 
-# Frontend
-PUBLIC_MAX_FILE_SIZE=300000000 # Note: Should be the same as in the _APP_STORAGE_LIMIT in the Appwrite .env file
-PUBLIC_DISABLE_REGISTRATION=true # Note: In the Appwrite console you have to change your user limit to 0 if false and else to 1
-PUBLIC_DISABLE_HOME_PAGE=false
-PUBLIC_MAIL_SHARE_ENABLED=false # Note: If set to true you have to add your SMTP server. See "Additional configurations" in the README file
+# GENERAL
+APP_URL=http://localhost:3000
+BACKEND_URL=http://backend:8080
+SHOW_HOME_PAGE=true
+ALLOW_REGISTRATION=true
+MAX_FILE_SIZE=1000000000
+
+# SECURITY
+JWT_SECRET=long-random-string

.gitignore

@@ -1,19 +1,15 @@
-# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
-
 # dependencies
 node_modules
-/.pnp
+.pnp
 .pnp.js
 
-# testing
-/coverage
-
 # next.js
-/.next/
-/out/
+/frontend/.next/
+/frontend/out/
 
-# production
-/build
+# build
+build/
+dist/
 
 # misc
 .DS_Store
@@ -25,16 +21,19 @@ yarn-debug.log*
 yarn-error.log*
 .pnpm-debug.log*
 
-# local env files
-.env*.local
+# env file
+.env
 
 # vercel
 .vercel
 
 # typescript
 *.tsbuildinfo
-.env
 
 # PWA
-/public/workbox-*
-/public/sw.*
+/frontend/public/workbox-*
+/frontend/public/sw.*
+
+# project specific
+/backend/uploads/
+/uploads/