diff --git a/src/docker/frontend/Dockerfile b/src/docker/frontend/Dockerfile
index 7a3dddef92..f1f03d67cd 100644
--- a/src/docker/frontend/Dockerfile
+++ b/src/docker/frontend/Dockerfile
@@ -41,6 +41,6 @@ ENV HASH_SEED=$HASH_SEED \
     NEXT_PUBLIC_TESTNET_APTOS_API_KEY=$FRONTEND_TESTNET_APTOS_API_KEY \
     NEXT_PUBLIC_MAINNET_APTOS_API_KEY=$FRONTEND_MAINNET_APTOS_API_KEY
 
-RUN ["bash", "-c", "pnpm install && pnpm run build:no-checks"]
+RUN ["bash", "-c", "pnpm install && pnpm run build:test"]
 
 CMD ["bash", "-c", "pnpm run start -- -H 0.0.0.0"]
diff --git a/src/typescript/sdk/src/const.ts b/src/typescript/sdk/src/const.ts
index d3df6e94a6..e3e73130b7 100644
--- a/src/typescript/sdk/src/const.ts
+++ b/src/typescript/sdk/src/const.ts
@@ -41,15 +41,22 @@ if (!APTOS_NETWORK) {
 }
 
 const allAPIKeys: Record<Network, string | undefined> = {
-  [Network.LOCAL]: process.env.NEXT_PUBLIC_LOCAL_APTOS_API_KEY ?? "",
-  [Network.CUSTOM]: process.env.NEXT_PUBLIC_CUSTOM_APTOS_API_KEY ?? "",
+  [Network.LOCAL]: process.env.NEXT_PUBLIC_LOCAL_APTOS_API_KEY,
+  [Network.CUSTOM]: process.env.NEXT_PUBLIC_CUSTOM_APTOS_API_KEY,
   [Network.DEVNET]: process.env.NEXT_PUBLIC_DEVNET_APTOS_API_KEY,
   [Network.TESTNET]: process.env.NEXT_PUBLIC_TESTNET_APTOS_API_KEY,
   [Network.MAINNET]: process.env.NEXT_PUBLIC_MAINNET_APTOS_API_KEY,
 };
+
 const apiKey = allAPIKeys[APTOS_NETWORK];
 if (typeof apiKey === "undefined") {
-  throw new Error(`Invalid API key set for the network: ${APTOS_NETWORK}: ${apiKey}`);
+  // Do nothing if we're on a local network, because we don't need an API key for it. For custom,
+  // warn the developer.
+  if (APTOS_NETWORK === "custom") {
+    console.warn(`No API key set. Ignoring because we're on the \`${APTOS_NETWORK}\` network.`);
+  } else {
+    throw new Error(`Invalid API key set for the network: ${APTOS_NETWORK}: ${apiKey}`);
+  }
 }
 // Select the API key from the list of env API keys. This means we don't have to change the env
 // var for API keys when changing environments- we just need to provide them all every time, which
diff --git a/src/typescript/sdk/tests/e2e/queries/client/submit.test.ts b/src/typescript/sdk/tests/e2e/queries/client/submit.test.ts
index 4d1d139391..a73fa918ff 100644
--- a/src/typescript/sdk/tests/e2e/queries/client/submit.test.ts
+++ b/src/typescript/sdk/tests/e2e/queries/client/submit.test.ts
@@ -111,7 +111,7 @@ describe("all submission types for the emojicoin client", () => {
     });
     const aptos = new Aptos(config);
     const emojicoinClient = new EmojicoinClient({ aptos });
-    expect(aptos.config.clientConfig?.API_KEY).toEqual(undefined);
+    expect(aptos.config.clientConfig?.API_KEY).toEqual(APTOS_API_KEY);
     expect(emojicoinClient.aptos.config.clientConfig?.API_KEY).toEqual(APTOS_API_KEY);
   });