diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 43edc616f74b..4b9d5ec1f8be 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -749,7 +749,7 @@ jobs:
           yarn test:integration:ci
 
   job_e2e_tests:
-    name: E2E Tests
+    name: E2E Tests (Shard ${{ matrix.shard }})
     # We only run E2E tests for non-fork PRs because the E2E tests require secrets to work and they can't be accessed from forks
     # Dependabot PRs sadly also don't have access to secrets, so we skip them as well
     if:
@@ -758,6 +758,10 @@ jobs:
     needs: [job_get_metadata, job_build]
     runs-on: ubuntu-20.04
     timeout-minutes: 20
+    strategy:
+      fail-fast: false
+      matrix:
+        shard: [1, 2, 3]
     steps:
       - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
         uses: actions/checkout@v3
@@ -782,6 +786,8 @@ jobs:
           E2E_TEST_DSN: ${{ secrets.E2E_TEST_DSN }}
           E2E_TEST_SENTRY_ORG_SLUG: 'sentry-javascript-sdks'
           E2E_TEST_SENTRY_TEST_PROJECT: 'sentry-javascript-e2e-tests'
+          E2E_TEST_SHARD: ${{ matrix.shard }}
+          E2E_TEST_SHARD_AMOUNT: 3
         run: |
           cd packages/e2e-tests
           yarn test:e2e
diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index a0bff1d37b61..d3968a0dfb75 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -20,7 +20,7 @@ jobs:
   job_canary_test:
     name: Canary Tests
     runs-on: ubuntu-20.04
-    timeout-minutes: 30
+    timeout-minutes: 60
     steps:
       - name: 'Check out current commit'
         uses: actions/checkout@v3
diff --git a/packages/e2e-tests/.env.example b/packages/e2e-tests/.env.example
index 559550968130..2262e0fa6ccc 100644
--- a/packages/e2e-tests/.env.example
+++ b/packages/e2e-tests/.env.example
@@ -2,3 +2,6 @@ E2E_TEST_AUTH_TOKEN=
 E2E_TEST_DSN=
 E2E_TEST_SENTRY_ORG_SLUG=
 E2E_TEST_SENTRY_TEST_PROJECT=
+E2E_TEST_SHARD= # optional
+E2E_TEST_SHARD_AMOUNT= # optional
+CANARY_E2E_TEST= # optional
diff --git a/packages/e2e-tests/README.md b/packages/e2e-tests/README.md
index d8227481a25a..2d8db0f5b41f 100644
--- a/packages/e2e-tests/README.md
+++ b/packages/e2e-tests/README.md
@@ -54,7 +54,7 @@ To get you started with the recipe, you can copy the following into `test-recipe
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "My New Test Application",
-  "buildCommand": "yarn install --network-concurrency 1",
+  "buildCommand": "yarn install",
   "tests": [
     {
       "testName": "My new test",
diff --git a/packages/e2e-tests/lib/buildApp.ts b/packages/e2e-tests/lib/buildApp.ts
index e802d691e96a..15b9e0497cdc 100644
--- a/packages/e2e-tests/lib/buildApp.ts
+++ b/packages/e2e-tests/lib/buildApp.ts
@@ -1,13 +1,14 @@
 /* eslint-disable no-console */
 
 import * as fs from 'fs-extra';
+import * as os from 'os';
 import * as path from 'path';
 
 import { DEFAULT_BUILD_TIMEOUT_SECONDS } from './constants';
 import type { Env, RecipeInstance } from './types';
-import { spawnAsync } from './utils';
+import { prefixObjectKeys, spawnAsync } from './utils';
 
-export async function buildApp(appDir: string, recipeInstance: RecipeInstance, env: Env): Promise<void> {
+export async function buildApp(appDir: string, recipeInstance: RecipeInstance, envVars: Env): Promise<void> {
   const { recipe, label, dependencyOverrides } = recipeInstance;
 
   const packageJsonPath = path.resolve(appDir, 'package.json');
@@ -28,13 +29,23 @@ export async function buildApp(appDir: string, recipeInstance: RecipeInstance, e
   if (recipe.buildCommand) {
     console.log(`Running build command for test application "${label}"`);
 
+    fs.mkdirSync(path.join(os.tmpdir(), 'e2e-test-yarn-caches'), { recursive: true });
+    const tempYarnCache = fs.mkdtempSync(path.join(os.tmpdir(), 'e2e-test-yarn-caches', 'cache-'));
+
+    const env = {
+      ...process.env,
+      ...envVars,
+      YARN_CACHE_FOLDER: tempYarnCache, // Use a separate yarn cache for each build commmand because multiple yarn commands running at the same time may corrupt the cache
+    };
+
     const buildResult = await spawnAsync(recipe.buildCommand, {
       cwd: appDir,
       timeout: (recipe.buildTimeoutSeconds ?? DEFAULT_BUILD_TIMEOUT_SECONDS) * 1000,
       env: {
-        ...process.env,
         ...env,
-      } as unknown as NodeJS.ProcessEnv,
+        ...prefixObjectKeys(env, 'NEXT_PUBLIC_'),
+        ...prefixObjectKeys(env, 'REACT_APP_'),
+      },
     });
 
     if (buildResult.error) {
@@ -57,9 +68,10 @@ export async function buildApp(appDir: string, recipeInstance: RecipeInstance, e
           cwd: appDir,
           timeout: (recipe.buildTimeoutSeconds ?? DEFAULT_BUILD_TIMEOUT_SECONDS) * 1000,
           env: {
-            ...process.env,
             ...env,
-          } as unknown as NodeJS.ProcessEnv,
+            ...prefixObjectKeys(env, 'NEXT_PUBLIC_'),
+            ...prefixObjectKeys(env, 'REACT_APP_'),
+          },
         },
         buildResult.stdout,
       );
diff --git a/packages/e2e-tests/lib/buildRecipeInstances.ts b/packages/e2e-tests/lib/constructRecipeInstances.ts
similarity index 66%
rename from packages/e2e-tests/lib/buildRecipeInstances.ts
rename to packages/e2e-tests/lib/constructRecipeInstances.ts
index 2820c2e055ce..86dfd1ef89f2 100644
--- a/packages/e2e-tests/lib/buildRecipeInstances.ts
+++ b/packages/e2e-tests/lib/constructRecipeInstances.ts
@@ -2,13 +2,11 @@ import * as fs from 'fs';
 
 import type { Recipe, RecipeInput, RecipeInstance } from './types';
 
-export function buildRecipeInstances(recipePaths: string[]): RecipeInstance[] {
+export function constructRecipeInstances(recipePaths: string[]): RecipeInstance[] {
   const recipes = buildRecipes(recipePaths);
-  const recipeInstances: RecipeInstance[] = [];
+  const recipeInstances: Omit<RecipeInstance, 'portModulo' | 'portGap'>[] = [];
 
-  const basePort = 3001;
-
-  recipes.forEach((recipe, i) => {
+  recipes.forEach(recipe => {
     recipe.versions.forEach(version => {
       const dependencyOverrides =
         Object.keys(version.dependencyOverrides).length > 0 ? version.dependencyOverrides : undefined;
@@ -20,12 +18,19 @@ export function buildRecipeInstances(recipePaths: string[]): RecipeInstance[] {
         label: `${recipe.testApplicationName}${dependencyOverridesInformationString}`,
         recipe,
         dependencyOverrides,
-        port: basePort + i,
       });
     });
   });
 
-  return recipeInstances;
+  return recipeInstances
+    .map((instance, i) => ({ ...instance, portModulo: i, portGap: recipeInstances.length }))
+    .filter((_, i) => {
+      if (process.env.E2E_TEST_SHARD && process.env.E2E_TEST_SHARD_AMOUNT) {
+        return (i + Number(process.env.E2E_TEST_SHARD)) % Number(process.env.E2E_TEST_SHARD_AMOUNT) === 0;
+      } else {
+        return true;
+      }
+    });
 }
 
 function buildRecipes(recipePaths: string[]): Recipe[] {
diff --git a/packages/e2e-tests/lib/runAllTestApps.ts b/packages/e2e-tests/lib/runAllTestApps.ts
index b12a0ccb2bdb..4f2e405d58aa 100644
--- a/packages/e2e-tests/lib/runAllTestApps.ts
+++ b/packages/e2e-tests/lib/runAllTestApps.ts
@@ -1,5 +1,9 @@
 /* eslint-disable no-console */
-import { buildRecipeInstances } from './buildRecipeInstances';
+import * as fs from 'fs';
+import * as os from 'os';
+import * as path from 'path';
+
+import { constructRecipeInstances } from './constructRecipeInstances';
 import { buildAndTestApp } from './runTestApp';
 import type { RecipeInstance, RecipeTestResult } from './types';
 
@@ -7,9 +11,9 @@ export async function runAllTestApps(
   recipePaths: string[],
   envVarsToInject: Record<string, string | undefined>,
 ): Promise<void> {
-  const maxParallel = process.env.CI ? 2 : 5;
+  const maxParallel = process.env.CI ? 1 : 1; // For now we are disabling parallel execution because it was causing problems (runners were too slow and timeouts happened)
 
-  const recipeInstances = buildRecipeInstances(recipePaths);
+  const recipeInstances = constructRecipeInstances(recipePaths);
 
   const results = await shardPromises(
     recipeInstances,
@@ -33,6 +37,8 @@ export async function runAllTestApps(
 
   const failed = results.filter(result => result.buildFailed || result.testFailed);
 
+  fs.rmSync(path.join(os.tmpdir(), 'e2e-test-yarn-caches'), { force: true, recursive: true });
+
   if (failed.length) {
     console.log(`${failed.length} test(s) failed.`);
     process.exit(1);
diff --git a/packages/e2e-tests/lib/runTestApp.ts b/packages/e2e-tests/lib/runTestApp.ts
index f38740fe5dd0..22dbdb9c5693 100644
--- a/packages/e2e-tests/lib/runTestApp.ts
+++ b/packages/e2e-tests/lib/runTestApp.ts
@@ -15,7 +15,7 @@ export async function buildAndTestApp(
   recipeInstance: RecipeInstance,
   envVarsToInject: Record<string, string | undefined>,
 ): Promise<RecipeTestResult> {
-  const { recipe, port } = recipeInstance;
+  const { recipe, portModulo, portGap } = recipeInstance;
   const recipeDirname = path.dirname(recipe.path);
 
   const targetDir = path.join(TMP_DIR, `${recipe.testApplicationName}-${tmpDirCount++}`);
@@ -24,7 +24,8 @@ export async function buildAndTestApp(
 
   const env: Env = {
     ...envVarsToInject,
-    PORT: port.toString(),
+    PORT_MODULO: portModulo.toString(),
+    PORT_GAP: portGap.toString(),
   };
 
   try {
diff --git a/packages/e2e-tests/lib/testApp.ts b/packages/e2e-tests/lib/testApp.ts
index e25418662c38..02743c26f633 100644
--- a/packages/e2e-tests/lib/testApp.ts
+++ b/packages/e2e-tests/lib/testApp.ts
@@ -2,7 +2,7 @@
 
 import { DEFAULT_TEST_TIMEOUT_SECONDS } from './constants';
 import type { Env, RecipeInstance, TestDef, TestResult } from './types';
-import { spawnAsync } from './utils';
+import { prefixObjectKeys, spawnAsync } from './utils';
 
 export async function testApp(appDir: string, recipeInstance: RecipeInstance, env: Env): Promise<TestResult[]> {
   const { recipe } = recipeInstance;
@@ -15,17 +15,28 @@ export async function testApp(appDir: string, recipeInstance: RecipeInstance, en
   return results;
 }
 
-async function runTest(appDir: string, recipeInstance: RecipeInstance, test: TestDef, env: Env): Promise<TestResult> {
+async function runTest(
+  appDir: string,
+  recipeInstance: RecipeInstance,
+  test: TestDef,
+  envVars: Env,
+): Promise<TestResult> {
   const { recipe, label } = recipeInstance;
   console.log(`Running test command for test application "${label}", test "${test.testName}"`);
 
+  const env = {
+    ...process.env,
+    ...envVars,
+  };
+
   const testResult = await spawnAsync(test.testCommand, {
     cwd: appDir,
     timeout: (recipe.testTimeoutSeconds ?? DEFAULT_TEST_TIMEOUT_SECONDS) * 1000,
     env: {
-      ...process.env,
       ...env,
-    } as unknown as NodeJS.ProcessEnv,
+      ...prefixObjectKeys(env, 'NEXT_PUBLIC_'),
+      ...prefixObjectKeys(env, 'REACT_APP_'),
+    },
   });
 
   if (testResult.error) {
diff --git a/packages/e2e-tests/lib/types.ts b/packages/e2e-tests/lib/types.ts
index c78bc45b6bf5..a86c748ef6d0 100644
--- a/packages/e2e-tests/lib/types.ts
+++ b/packages/e2e-tests/lib/types.ts
@@ -37,7 +37,8 @@ export interface RecipeInstance {
   label: string;
   recipe: Recipe;
   dependencyOverrides?: DependencyOverrides;
-  port: number;
+  portModulo: number;
+  portGap: number;
 }
 
 export interface RecipeTestResult extends RecipeInstance {
diff --git a/packages/e2e-tests/lib/utils.ts b/packages/e2e-tests/lib/utils.ts
index caf2cf424171..0c786a34f520 100644
--- a/packages/e2e-tests/lib/utils.ts
+++ b/packages/e2e-tests/lib/utils.ts
@@ -67,3 +67,13 @@ export function spawnAsync(
     }
   });
 }
+
+export function prefixObjectKeys(
+  obj: Record<string, string | undefined>,
+  prefix: string,
+): Record<string, string | undefined> {
+  return Object.keys(obj).reduce<Record<string, string | undefined>>((result, key) => {
+    result[prefix + key] = obj[key];
+    return result;
+  }, {});
+}
diff --git a/packages/e2e-tests/run.ts b/packages/e2e-tests/run.ts
index a4fec2c480dc..29ab6797edcc 100644
--- a/packages/e2e-tests/run.ts
+++ b/packages/e2e-tests/run.ts
@@ -18,6 +18,7 @@ async function run(): Promise<void> {
   const envVarsToInject = {
     REACT_APP_E2E_TEST_DSN: process.env.E2E_TEST_DSN,
     NEXT_PUBLIC_E2E_TEST_DSN: process.env.E2E_TEST_DSN,
+    BASE_PORT: '27496', // just some random port
   };
 
   try {
diff --git a/packages/e2e-tests/test-applications/create-next-app/package.json b/packages/e2e-tests/test-applications/create-next-app/package.json
index dee9275c2bdc..af2a7830f3d8 100644
--- a/packages/e2e-tests/test-applications/create-next-app/package.json
+++ b/packages/e2e-tests/test-applications/create-next-app/package.json
@@ -3,13 +3,9 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
     "build": "next build",
-    "start": "next start",
-    "lint": "next lint",
-    "test": "test:prod && test:dev",
-    "test:prod": "TEST_MODE=prod playwright test",
-    "test:dev": "TEST_MODE=dev playwright test"
+    "test:prod": "TEST_ENV=prod playwright test",
+    "test:dev": "TEST_ENV=dev playwright test"
   },
   "dependencies": {
     "@next/font": "13.0.7",
diff --git a/packages/e2e-tests/test-applications/create-next-app/playwright.config.ts b/packages/e2e-tests/test-applications/create-next-app/playwright.config.ts
index b2c8ace9d92d..3d47581acf13 100644
--- a/packages/e2e-tests/test-applications/create-next-app/playwright.config.ts
+++ b/packages/e2e-tests/test-applications/create-next-app/playwright.config.ts
@@ -1,6 +1,14 @@
 import type { PlaywrightTestConfig } from '@playwright/test';
 import { devices } from '@playwright/test';
 
+const testEnv = process.env.TEST_ENV;
+
+if (!testEnv) {
+  throw new Error('No test env defined');
+}
+
+const port = Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO);
+
 /**
  * See https://playwright.dev/docs/test-configuration.
  */
@@ -59,8 +67,8 @@ const config: PlaywrightTestConfig = {
 
   /* Run your local dev server before starting the tests */
   webServer: {
-    command: process.env.TEST_MODE === 'prod' ? 'yarn start' : 'yarn dev',
-    port: process.env.PORT ? parseInt(process.env.PORT) : 3000,
+    command: testEnv === 'development' ? `yarn next dev -p ${port}` : `yarn next start -p ${port}`,
+    port,
   },
 };
 
diff --git a/packages/e2e-tests/test-applications/create-next-app/test-recipe.json b/packages/e2e-tests/test-applications/create-next-app/test-recipe.json
index 141f9e1489c1..38b4bbc06af0 100644
--- a/packages/e2e-tests/test-applications/create-next-app/test-recipe.json
+++ b/packages/e2e-tests/test-applications/create-next-app/test-recipe.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "create-next-app",
-  "buildCommand": "yarn install --network-concurrency 1 && npx playwright install && yarn build",
+  "buildCommand": "yarn install && npx playwright install && yarn build",
   "tests": [
     {
       "testName": "Playwright tests - Prod Mode",
diff --git a/packages/e2e-tests/test-applications/create-react-app/test-recipe.json b/packages/e2e-tests/test-applications/create-react-app/test-recipe.json
index 3f3c496c4857..ee9c8e1dc40c 100644
--- a/packages/e2e-tests/test-applications/create-react-app/test-recipe.json
+++ b/packages/e2e-tests/test-applications/create-react-app/test-recipe.json
@@ -1,6 +1,6 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "create-react-app",
-  "buildCommand": "yarn install --network-concurrency 1 && yarn build",
+  "buildCommand": "yarn install && yarn build",
   "tests": []
 }
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/package.json b/packages/e2e-tests/test-applications/nextjs-app-dir/package.json
index 064e5d396d1f..4e0c1831440f 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/package.json
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/package.json
@@ -3,10 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
     "build": "next build",
-    "start": "next start",
-    "lint": "next lint",
     "test:prod": "TEST_ENV=production playwright test",
     "test:dev": "TEST_ENV=development playwright test"
   },
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/playwright.config.ts b/packages/e2e-tests/test-applications/nextjs-app-dir/playwright.config.ts
index 2bacdad88e2e..a6886d2d8308 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/playwright.config.ts
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/playwright.config.ts
@@ -7,7 +7,7 @@ if (!testEnv) {
   throw new Error('No test env defined');
 }
 
-const port = process.env.PORT ? parseInt(process.env.PORT) : 3000;
+const port = Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO);
 
 /**
  * See https://playwright.dev/docs/test-configuration.
@@ -55,12 +55,12 @@ const config: PlaywrightTestConfig = {
   /* Run your local dev server before starting the tests */
   webServer: [
     {
-      command: testEnv === 'development' ? 'yarn dev' : 'yarn start',
+      command: testEnv === 'development' ? `yarn next dev -p ${port}` : `yarn next start -p ${port}`,
       port,
     },
     {
       command: 'yarn ts-node-script start-event-proxy.ts',
-      port: 27496,
+      port: Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO) + Number(process.env.PORT_GAP),
     },
   ],
 };
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.client.config.ts b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.client.config.ts
index af39dd76f384..b216b06f752c 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.client.config.ts
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.client.config.ts
@@ -2,6 +2,10 @@ import * as Sentry from '@sentry/nextjs';
 
 Sentry.init({
   dsn: process.env.NEXT_PUBLIC_E2E_TEST_DSN,
-  tunnel: 'http://localhost:27496/', // proxy server
+  tunnel: `http://localhost:${
+    Number(process.env.NEXT_PUBLIC_BASE_PORT) +
+    Number(process.env.NEXT_PUBLIC_PORT_MODULO) +
+    Number(process.env.NEXT_PUBLIC_PORT_GAP)
+  }/`, // proxy server
   tracesSampleRate: 1.0,
 });
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.edge.config.ts b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.edge.config.ts
index af39dd76f384..b216b06f752c 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.edge.config.ts
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.edge.config.ts
@@ -2,6 +2,10 @@ import * as Sentry from '@sentry/nextjs';
 
 Sentry.init({
   dsn: process.env.NEXT_PUBLIC_E2E_TEST_DSN,
-  tunnel: 'http://localhost:27496/', // proxy server
+  tunnel: `http://localhost:${
+    Number(process.env.NEXT_PUBLIC_BASE_PORT) +
+    Number(process.env.NEXT_PUBLIC_PORT_MODULO) +
+    Number(process.env.NEXT_PUBLIC_PORT_GAP)
+  }/`, // proxy server
   tracesSampleRate: 1.0,
 });
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.server.config.ts b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.server.config.ts
index af39dd76f384..b216b06f752c 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.server.config.ts
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/sentry.server.config.ts
@@ -2,6 +2,10 @@ import * as Sentry from '@sentry/nextjs';
 
 Sentry.init({
   dsn: process.env.NEXT_PUBLIC_E2E_TEST_DSN,
-  tunnel: 'http://localhost:27496/', // proxy server
+  tunnel: `http://localhost:${
+    Number(process.env.NEXT_PUBLIC_BASE_PORT) +
+    Number(process.env.NEXT_PUBLIC_PORT_MODULO) +
+    Number(process.env.NEXT_PUBLIC_PORT_GAP)
+  }/`, // proxy server
   tracesSampleRate: 1.0,
 });
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.ts b/packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.ts
index c4b99606e9bb..705af6e98a7a 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.ts
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/start-event-proxy.ts
@@ -1,6 +1,6 @@
 import { startEventProxyServer } from '../../test-utils/event-proxy-server';
 
 startEventProxyServer({
-  port: 27496,
+  port: Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO) + Number(process.env.PORT_GAP),
   proxyServerName: 'nextjs-13-app-dir',
 });
diff --git a/packages/e2e-tests/test-applications/nextjs-app-dir/test-recipe.json b/packages/e2e-tests/test-applications/nextjs-app-dir/test-recipe.json
index 4f6290d444d0..b711dd6e922c 100644
--- a/packages/e2e-tests/test-applications/nextjs-app-dir/test-recipe.json
+++ b/packages/e2e-tests/test-applications/nextjs-app-dir/test-recipe.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "nextjs-13-app-dir",
-  "buildCommand": "yarn install --network-concurrency 1 && npx playwright install && yarn build",
+  "buildCommand": "yarn install && npx playwright install && yarn build",
   "buildAssertionCommand": "yarn ts-node --script-mode assert-build.ts",
   "tests": [
     {
diff --git a/packages/e2e-tests/test-applications/node-express-app/playwright.config.ts b/packages/e2e-tests/test-applications/node-express-app/playwright.config.ts
index ef7bf3704715..d3690ad2c8fd 100644
--- a/packages/e2e-tests/test-applications/node-express-app/playwright.config.ts
+++ b/packages/e2e-tests/test-applications/node-express-app/playwright.config.ts
@@ -58,7 +58,7 @@ const config: PlaywrightTestConfig = {
   /* Run your local dev server before starting the tests */
   webServer: {
     command: 'yarn start',
-    port: process.env.PORT ? parseInt(process.env.PORT) : 3000,
+    port: Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO),
   },
 };
 
diff --git a/packages/e2e-tests/test-applications/node-express-app/src/app.ts b/packages/e2e-tests/test-applications/node-express-app/src/app.ts
index ec4a5c73fcb6..005c83390ec8 100644
--- a/packages/e2e-tests/test-applications/node-express-app/src/app.ts
+++ b/packages/e2e-tests/test-applications/node-express-app/src/app.ts
@@ -17,7 +17,7 @@ Sentry.init({
 });
 
 const app = express();
-const port = process.env.PORT ? parseInt(process.env.PORT) : 3000;
+const port = Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO);
 
 app.use(Sentry.Handlers.requestHandler());
 app.use(Sentry.Handlers.tracingHandler());
diff --git a/packages/e2e-tests/test-applications/node-express-app/test-recipe.json b/packages/e2e-tests/test-applications/node-express-app/test-recipe.json
index 4859973cd360..039049258171 100644
--- a/packages/e2e-tests/test-applications/node-express-app/test-recipe.json
+++ b/packages/e2e-tests/test-applications/node-express-app/test-recipe.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "node-express-app",
-  "buildCommand": "yarn install --network-concurrency 1 && yarn build",
+  "buildCommand": "yarn install && yarn build",
   "tests": [
     {
       "testName": "Test express server",
diff --git a/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/playwright.config.ts b/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/playwright.config.ts
index 1a6a49424672..0554e04f5daa 100644
--- a/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/playwright.config.ts
+++ b/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/playwright.config.ts
@@ -60,7 +60,10 @@ const config: PlaywrightTestConfig = {
   /* Run your local dev server before starting the tests */
   webServer: {
     command: 'yarn start',
-    port: process.env.PORT ? parseInt(process.env.PORT) : 3000,
+    port: Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO),
+    env: {
+      PORT: String(Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO)),
+    },
   },
 };
 
diff --git a/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/test-recipe.json b/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/test-recipe.json
index fce2379a280f..864736daaad8 100644
--- a/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/test-recipe.json
+++ b/packages/e2e-tests/test-applications/standard-frontend-react-tracing-import/test-recipe.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "standard-frontend-react-tracing-import",
-  "buildCommand": "yarn install --network-concurrency 1 && npx playwright install && yarn build",
+  "buildCommand": "yarn install && npx playwright install && yarn build",
   "tests": [
     {
       "testName": "Playwright tests",
diff --git a/packages/e2e-tests/test-applications/standard-frontend-react/playwright.config.ts b/packages/e2e-tests/test-applications/standard-frontend-react/playwright.config.ts
index 1a6a49424672..0554e04f5daa 100644
--- a/packages/e2e-tests/test-applications/standard-frontend-react/playwright.config.ts
+++ b/packages/e2e-tests/test-applications/standard-frontend-react/playwright.config.ts
@@ -60,7 +60,10 @@ const config: PlaywrightTestConfig = {
   /* Run your local dev server before starting the tests */
   webServer: {
     command: 'yarn start',
-    port: process.env.PORT ? parseInt(process.env.PORT) : 3000,
+    port: Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO),
+    env: {
+      PORT: String(Number(process.env.BASE_PORT) + Number(process.env.PORT_MODULO)),
+    },
   },
 };
 
diff --git a/packages/e2e-tests/test-applications/standard-frontend-react/test-recipe.json b/packages/e2e-tests/test-applications/standard-frontend-react/test-recipe.json
index 207dd5409b50..76916d74d280 100644
--- a/packages/e2e-tests/test-applications/standard-frontend-react/test-recipe.json
+++ b/packages/e2e-tests/test-applications/standard-frontend-react/test-recipe.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../test-recipe-schema.json",
   "testApplicationName": "standard-frontend-react",
-  "buildCommand": "yarn install --network-concurrency 1 && npx playwright install && yarn build",
+  "buildCommand": "yarn install && npx playwright install && yarn build",
   "tests": [
     {
       "testName": "Playwright tests",