chore: add missing .env.example files

Author: mridang

.env.example

@@ -0,0 +1,58 @@
+# -----------------------------------------------------------------------------
+# App Configuration
+# -----------------------------------------------------------------------------
+# The environment in which the application is running. This should be set to
+# 'production' on your live server to enable security features like secure
+# cookies. For local development, 'development' is appropriate.
+NODE_ENV=development
+
+# The network port on which the Fastify server will listen for incoming
+# connections. Change this if port 3000 is already in use on your system.
+PORT=3000
+
+# -----------------------------------------------------------------------------
+# Session Configuration
+# -----------------------------------------------------------------------------
+# A long, random, and secret string used to sign the session cookie. This
+# prevents the cookie from being tampered with. It must be kept private.
+# Generate a secure key using:
+# node -e "console.log(require('crypto').randomBytes(32).toString('hex'))"
+SESSION_SECRET="your-very-secret-and-strong-session-key"
+
+# The total duration of the session in milliseconds. After this period of
+# inactivity, the user will be effectively logged out.
+# Default is 3600000, which is 1 hour (60 * 60).
+SESSION_DURATION=3600
+
+# -----------------------------------------------------------------------------
+# ZITADEL OpenID Connect (OIDC) Configuration
+# -----------------------------------------------------------------------------
+# The full domain URL of your ZITADEL instance. You can find this in your
+# ZITADEL organization's settings.
+# Example: https://my-org-a1b2c3.zitadel.cloud
+ZITADEL_DOMAIN="https://your-zitadel-domain"
+
+# The unique Client ID for your application, obtained from the ZITADEL Console.
+# This identifier tells ZITADEL which application is making the request.
+ZITADEL_CLIENT_ID="your-zitadel-application-client-id"
+
+# The Client Secret for your application. This is only required if you have
+# configured your ZITADEL application as "Confidential". For public clients,
+# like single-page apps, this can be left empty.
+ZITADEL_CLIENT_SECRET=""
+
+# The full URL where ZITADEL redirects the user after they have authenticated.
+# This MUST exactly match one of the "Redirect URIs" you have configured in
+# your ZITADEL application settings.
+ZITADEL_CALLBACK_URL="http://localhost:3000/auth/callback"
+
+# The internal URL within your application where users are sent after a
+# successful login is processed at the callback URL.
+# Defaults to "/profile" if not specified.
+ZITADEL_POST_LOGIN_URL="/profile"
+
+# The full URL where ZITADEL redirects the user after they have logged out.
+# This MUST exactly match one of the "Post Logout Redirect URIs" configured
+# in your ZITADEL application settings.
+ZITADEL_POST_LOGOUT_URL="http://localhost:3000"
+