make non-core env variables optional

.env.example

@@ -1,15 +1,9 @@
-# Prisma
-# https://www.prisma.io/docs/reference/database-reference/connection-urls#env
+# Database
 DATABASE_URL=""
 
-# Next Auth
-# You can generate a new secret on the command line with:
-# openssl rand -base64 32
-# https://next-auth.js.org/configuration/options#secret
+# Authjs
+NEXTAUTH_URL="http://localhost:3000/"
 NEXTAUTH_SECRET=""
-NEXTAUTH_URL="http://localhost:3000"
-
-# Next Auth Provider
 GOOGLE_CLIENT_ID=""
 GOOGLE_CLIENT_SECRET=""
 GITHUB_ID=""
@@ -38,10 +32,10 @@ NEXT_PUBLIC_CRISP_WEBSITE_ID=""
 
 # posthog
 NEXT_PUBLIC_POSTHOG_KEY=""
-NEXT_PUBLIC_POSTHOG_HOST=""
+NEXT_PUBLIC_POSTHOG_HOST="https://app.posthog.com"
 NEXT_PUBLIC_POSTHOG_PROXY_HOST="/ioafe"
 POSTHOG_PROXY_PATH="ioafe"
 
 # redis for ratelimiting
 UPSTASH_REDIS_REST_URL=""
-UPSTASH_REDIS_REST_TOKEN="="
+UPSTASH_REDIS_REST_TOKEN=""

src/components/CrispChat.tsx

@@ -4,7 +4,9 @@ import { env } from "~/env.mjs";
 
 export default function CrispChat() {
   useEffect(() => {
-    Crisp.configure(env.NEXT_PUBLIC_CRISP_WEBSITE_ID);
+    if (env.NEXT_PUBLIC_CRISP_WEBSITE_ID) {
+      Crisp.configure(env.NEXT_PUBLIC_CRISP_WEBSITE_ID);
+    }
   }, []);
 
   return null;

src/env.mjs

@@ -28,13 +28,13 @@ const server = z.object({
   AWS_KEY_ID: z.string(),
   AWS_SECRET_ACCESS_KEY: z.string(),
   AWS_BUCKET_NAME: z.string(),
-  STRIPE_SECRET_KEY: z.string(),
-  STRIPE_WEBHOOK_SECRET: z.string(),
-  STRIPE_MONTHLY_PRICE_ID: z.string(),
-  STRIPE_ANNUAL_PRICE_ID: z.string(),
+  STRIPE_SECRET_KEY: z.string().nullish(),
+  STRIPE_WEBHOOK_SECRET: z.string().nullish(),
+  STRIPE_MONTHLY_PRICE_ID: z.string().nullish(),
+  STRIPE_ANNUAL_PRICE_ID: z.string().nullish(),
   POSTHOG_PROXY_PATH: z.string(),
-  UPSTASH_REDIS_REST_URL: z.string(),
-  UPSTASH_REDIS_REST_TOKEN: z.string(),
+  UPSTASH_REDIS_REST_URL: z.string().nullish(),
+  UPSTASH_REDIS_REST_TOKEN: z.string().nullish(),
 });
 
 /**
@@ -43,9 +43,9 @@ const server = z.object({
  */
 const client = z.object({
   // NEXT_PUBLIC_CLIENTVAR: z.string().min(1),
-  NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY: z.string(),
-  NEXT_PUBLIC_CRISP_WEBSITE_ID: z.string(),
-  NEXT_PUBLIC_POSTHOG_KEY: z.string(),
+  NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY: z.string().nullish(),
+  NEXT_PUBLIC_CRISP_WEBSITE_ID: z.string().nullish(),
+  NEXT_PUBLIC_POSTHOG_KEY: z.string().nullish(),
   NEXT_PUBLIC_POSTHOG_HOST: z.string(),
   NEXT_PUBLIC_POSTHOG_PROXY_HOST: z.string(),
 });

src/pages/_app.tsx

@@ -12,12 +12,12 @@ import { env } from "~/env.mjs";
 import { type ReactNode, useEffect } from "react";
 
 // Check that PostHog is client-side (used to handle Next.js SSR)
-if (typeof window !== "undefined") {
+if (typeof window !== "undefined" && !!env.NEXT_PUBLIC_POSTHOG_KEY) {
   posthog.init(env.NEXT_PUBLIC_POSTHOG_KEY, {
     api_host: env.NEXT_PUBLIC_POSTHOG_PROXY_HOST,
     // Enable debug mode in development
     loaded: (posthog) => {
-      if (process.env.NODE_ENV === "development") posthog.debug(false);
+      if (process.env.NODE_ENV === "development") posthog.debug();
     },
   });
 }
@@ -47,16 +47,16 @@ const PostHogIdentificationWrapper = ({
   const posthog = usePostHog();
 
   useEffect(() => {
-    if (!posthog) return;
+    if (!posthog?.__loaded) return;
     if (status === "authenticated") {
       const { id, name, email, stripeSubscriptionStatus } = session?.user;
-      posthog.identify(id, {
+      posthog?.identify(id, {
         name,
         email,
         stripeSubscriptionStatus,
       });
     } else if (status === "unauthenticated") {
-      posthog.reset();
+      posthog?.reset();
     }
   }, [posthog, session, status]);
 

src/pages/api/webhooks/stripe.ts

@@ -24,6 +24,10 @@ export default async function handler(
   req: NextApiRequest,
   res: NextApiResponse
 ) {
+  if (!webhookSecret || !stripe) {
+    return res.status(500).end("Stripe env variables not set");
+  }
+
   if (req.method === "POST") {
     const buf = await buffer(req);
     const sig = req.headers["stripe-signature"];
@@ -72,11 +76,11 @@ export default async function handler(
           const userId = subscription.metadata.userId;
 
           if (userId) {
-            posthog.capture({
+            posthog?.capture({
               distinctId: userId,
               event: "stripe invoice.payment_failed",
             });
-            void posthog.shutdownAsync();
+            void posthog?.shutdownAsync();
           }
           break;
         case "customer.subscription.deleted":

src/server/api/routers/stripe.ts

@@ -8,6 +8,14 @@ export const stripeRouter = createTRPCRouter({
     .input(z.object({ billedAnnually: z.boolean() }))
     .mutation(
       async ({ ctx: { prisma, stripe, session, req, posthog }, input }) => {
+        if (
+          !stripe ||
+          !env.STRIPE_ANNUAL_PRICE_ID ||
+          !env.STRIPE_MONTHLY_PRICE_ID
+        ) {
+          throw new Error("Stripe env variables not set");
+        }
+
         const customerId = await getOrCreateStripeCustomerIdForUser({
           prisma,
           stripe,
@@ -50,20 +58,24 @@ export const stripeRouter = createTRPCRouter({
           throw new Error("Could not create checkout session");
         }
 
-        posthog.capture({
+        posthog?.capture({
           distinctId: session.user.id,
           event: "visiting checkout page",
           properties: {
             billingCycle: input.billedAnnually ? "annual" : "monthly",
           },
         });
-        void posthog.shutdownAsync();
+        void posthog?.shutdownAsync();
 
         return { checkoutUrl: checkoutSession.url };
       }
     ),
   createBillingPortalSession: protectedProcedure.mutation(
     async ({ ctx: { stripe, session, prisma, req, posthog } }) => {
+      if (!stripe) {
+        throw new Error("Stripe env variables not set");
+      }
+
       const customerId = await getOrCreateStripeCustomerIdForUser({
         prisma,
         stripe,
@@ -89,14 +101,14 @@ export const stripeRouter = createTRPCRouter({
         throw new Error("Could not create billing portal session");
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "visiting billing portal page",
         properties: {
           stripeSubscriptionStatus: session.user.stripeSubscriptionStatus,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       return { billingPortalUrl: stripeBillingPortalSession.url };
     }

src/server/api/routers/video.ts

@@ -23,14 +23,14 @@ export const videoRouter = createTRPCRouter({
         },
       });
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "viewing video list",
         properties: {
           videoAmount: videos.length,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       const videosWithThumbnailUrl = await Promise.all(
         videos.map(async (video) => {
@@ -70,7 +70,7 @@ export const videoRouter = createTRPCRouter({
       }
 
       if (session) {
-        posthog.capture({
+        posthog?.capture({
           distinctId: session.user.id,
           event: "viewing video",
           properties: {
@@ -83,7 +83,7 @@ export const videoRouter = createTRPCRouter({
             videoShareLinkExpiresAt: video.shareLinkExpiresAt,
           },
         });
-        void posthog.shutdownAsync();
+        void posthog?.shutdownAsync();
       }
 
       const getObjectCommand = new GetObjectCommand({
@@ -110,7 +110,7 @@ export const videoRouter = createTRPCRouter({
         videos.length >= 10 &&
         session.user.stripeSubscriptionStatus !== "active"
       ) {
-        posthog.capture({
+        posthog?.capture({
           distinctId: session.user.id,
           event: "hit video upload limit",
           properties: {
@@ -118,7 +118,7 @@ export const videoRouter = createTRPCRouter({
             stripeSubscriptionStatus: session.user.stripeSubscriptionStatus,
           },
         });
-        void posthog.shutdownAsync();
+        void posthog?.shutdownAsync();
 
         throw new TRPCError({
           code: "FORBIDDEN",
@@ -127,7 +127,7 @@ export const videoRouter = createTRPCRouter({
         });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "uploading video",
         properties: {
@@ -135,7 +135,7 @@ export const videoRouter = createTRPCRouter({
           stripeSubscriptionStatus: session.user.stripeSubscriptionStatus,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       const video = await prisma.video.create({
         data: {
@@ -184,7 +184,7 @@ export const videoRouter = createTRPCRouter({
         throw new TRPCError({ code: "FORBIDDEN" });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "update video setSharing",
         properties: {
@@ -192,7 +192,7 @@ export const videoRouter = createTRPCRouter({
           videoSharing: input.sharing,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       return {
         success: true,
@@ -218,7 +218,7 @@ export const videoRouter = createTRPCRouter({
         throw new TRPCError({ code: "FORBIDDEN" });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "update video delete_after_link_expires",
         properties: {
@@ -226,7 +226,7 @@ export const videoRouter = createTRPCRouter({
           delete_after_link_expires: input.delete_after_link_expires,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       return {
         success: true,
@@ -255,7 +255,7 @@ export const videoRouter = createTRPCRouter({
         throw new TRPCError({ code: "FORBIDDEN" });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "update video shareLinkExpiresAt",
         properties: {
@@ -263,7 +263,7 @@ export const videoRouter = createTRPCRouter({
           shareLinkExpiresAt: input.shareLinkExpiresAt,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       return {
         success: true,
@@ -292,7 +292,7 @@ export const videoRouter = createTRPCRouter({
         throw new TRPCError({ code: "FORBIDDEN" });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "update video title",
         properties: {
@@ -300,7 +300,7 @@ export const videoRouter = createTRPCRouter({
           title: input.title,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       return {
         success: true,
@@ -325,14 +325,14 @@ export const videoRouter = createTRPCRouter({
         throw new TRPCError({ code: "FORBIDDEN" });
       }
 
-      posthog.capture({
+      posthog?.capture({
         distinctId: session.user.id,
         event: "video delete",
         properties: {
           videoId: input.videoId,
         },
       });
-      void posthog.shutdownAsync();
+      void posthog?.shutdownAsync();
 
       const deleteVideoObject = await s3.send(
         new DeleteObjectCommand({

src/server/api/trpc.ts

@@ -125,9 +125,11 @@ const enforceUserIsAuthed = t.middleware(async ({ ctx, next }) => {
   if (!ctx.session || !ctx.session.user) {
     throw new TRPCError({ code: "UNAUTHORIZED" });
   }
-  const { success } = await rateLimit.limit(ctx.session.user.id);
-  if (!success) {
-    throw new TRPCError({ code: "TOO_MANY_REQUESTS" });
+  if (rateLimit) {
+    const { success } = await rateLimit.limit(ctx.session.user.id);
+    if (!success) {
+      throw new TRPCError({ code: "TOO_MANY_REQUESTS" });
+    }
   }
 
   return next({

src/server/auth.ts

@@ -70,40 +70,44 @@ export const authOptions: NextAuthOptions = {
   ],
   events: {
     async signIn(message) {
-      const client = new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
-        host: env.NEXT_PUBLIC_POSTHOG_HOST,
-      });
+      if (!!env.NEXT_PUBLIC_POSTHOG_KEY) {
+        const client = new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
+          host: env.NEXT_PUBLIC_POSTHOG_HOST,
+        });
 
-      client.capture({
-        distinctId: message.user.id,
-        event: "user logged in",
-        properties: {
-          provider: message.account?.provider,
-          isNewUser: message.isNewUser,
-        },
-      });
+        client.capture({
+          distinctId: message.user.id,
+          event: "user logged in",
+          properties: {
+            provider: message.account?.provider,
+            isNewUser: message.isNewUser,
+          },
+        });
 
-      await client.shutdownAsync();
+        await client.shutdownAsync();
+      }
     },
     async signOut(message) {
-      const session = message.session as unknown as {
-        id: string;
-        sessionToken: string;
-        userId: string;
-        expires: Date;
-      };
-      if (!session?.userId) return;
+      if (!!env.NEXT_PUBLIC_POSTHOG_KEY) {
+        const session = message.session as unknown as {
+          id: string;
+          sessionToken: string;
+          userId: string;
+          expires: Date;
+        };
+        if (!session?.userId) return;
 
-      const client = new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
-        host: env.NEXT_PUBLIC_POSTHOG_HOST,
-      });
+        const client = new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
+          host: env.NEXT_PUBLIC_POSTHOG_HOST,
+        });
 
-      client.capture({
-        distinctId: session.userId,
-        event: "user logged out",
-      });
+        client.capture({
+          distinctId: session.userId,
+          event: "user logged out",
+        });
 
-      await client.shutdownAsync();
+        await client.shutdownAsync();
+      }
     },
   },
   pages: {

src/server/posthog.ts

@@ -1,6 +1,8 @@
 import { PostHog } from "posthog-node";
 import { env } from "~/env.mjs";
 
-export const posthog = new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
-  host: env.NEXT_PUBLIC_POSTHOG_HOST,
-});
+export const posthog = !!env.NEXT_PUBLIC_POSTHOG_KEY
+  ? new PostHog(env.NEXT_PUBLIC_POSTHOG_KEY, {
+      host: env.NEXT_PUBLIC_POSTHOG_HOST,
+    })
+  : null;

src/server/rateLimit.ts

@@ -2,10 +2,13 @@ import { Ratelimit } from "@upstash/ratelimit";
 import { Redis } from "@upstash/redis";
 import { env } from "~/env.mjs";
 
-export const rateLimit = new Ratelimit({
-  redis: new Redis({
-    url: env.UPSTASH_REDIS_REST_URL,
-    token: env.UPSTASH_REDIS_REST_TOKEN,
-  }),
-  limiter: Ratelimit.slidingWindow(60, "60 s"),
-});
+export const rateLimit =
+  !!env.UPSTASH_REDIS_REST_URL && !!env.UPSTASH_REDIS_REST_TOKEN
+    ? new Ratelimit({
+        redis: new Redis({
+          url: env.UPSTASH_REDIS_REST_URL,
+          token: env.UPSTASH_REDIS_REST_TOKEN,
+        }),
+        limiter: Ratelimit.slidingWindow(60, "60 s"),
+      })
+    : null;

src/server/stripe-webhook-handlers.ts

@@ -60,7 +60,7 @@ export const handleInvoicePaid = async ({
   event: Stripe.Event;
   stripe: Stripe;
   prisma: PrismaClient;
-  posthog: PostHog;
+  posthog: PostHog | null;
 }) => {
   const invoice = event.data.object as Stripe.Invoice;
   const subscriptionId = invoice.subscription;
@@ -81,14 +81,14 @@ export const handleInvoicePaid = async ({
   });
 
   if (userId && subscription.status) {
-    posthog.capture({
+    posthog?.capture({
       distinctId: userId,
       event: "stripe invoice.paid",
       properties: {
         stripeSubscriptionStatus: subscription.status,
       },
     });
-    void posthog.shutdownAsync();
+    void posthog?.shutdownAsync();
   }
 };
 
@@ -99,7 +99,7 @@ export const handleSubscriptionCreatedOrUpdated = async ({
 }: {
   event: Stripe.Event;
   prisma: PrismaClient;
-  posthog: PostHog;
+  posthog: PostHog | null;
 }) => {
   const subscription = event.data.object as Stripe.Subscription;
   const userId = subscription.metadata.userId;
@@ -116,11 +116,11 @@ export const handleSubscriptionCreatedOrUpdated = async ({
   });
 
   if (userId && subscription.status) {
-    posthog.capture({
+    posthog?.capture({
       distinctId: userId,
       event: "stripe subscription created or updated",
     });
-    void posthog.shutdownAsync();
+    void posthog?.shutdownAsync();
   }
 };
 
@@ -131,7 +131,7 @@ export const handleSubscriptionCanceled = async ({
 }: {
   event: Stripe.Event;
   prisma: PrismaClient;
-  posthog: PostHog;
+  posthog: PostHog | null;
 }) => {
   const subscription = event.data.object as Stripe.Subscription;
   const userId = subscription.metadata.userId;
@@ -148,10 +148,10 @@ export const handleSubscriptionCanceled = async ({
   });
 
   if (userId && subscription.status) {
-    posthog.capture({
+    posthog?.capture({
       distinctId: userId,
       event: "stripe subscription cancelled",
     });
-    void posthog.shutdownAsync();
+    void posthog?.shutdownAsync();
   }
 };

src/server/stripe.ts

@@ -1,5 +1,8 @@
 import Stripe from "stripe";
 import { env } from "~/env.mjs";
-export const stripe = new Stripe(env.STRIPE_SECRET_KEY, {
-  apiVersion: "2022-11-15",
-});
+
+export const stripe = !!env.STRIPE_SECRET_KEY
+  ? new Stripe(env.STRIPE_SECRET_KEY, {
+      apiVersion: "2022-11-15",
+    })
+  : null;