Curl error 60: ssl certificate problem: unable to get local issuer certificate in laravel

Hi, I am getting the SSL exception while uploading file to S3 , Strange thing is i have specified the certificate in the config/filesystems.php in s3 block but it still gives this error.
I tried uploading file to s3 using Curl command line it works fine with the cacerts which i am providing in the filesystem.

Any help will be greatly appreciated, I am not able to pin point the issue as curl command line able to upload file to s3.

Below is Stack Trace

GuzzleHttp\Exception\RequestException: cURL error 60: SSL certificate problem: unable to get local issuer certificate (see http://curl.haxx.se/libcurl/c/libcurl-errors.html) in /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:187
Stack trace:
#0 /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(150): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array)
#1 /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(103): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlMultiHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php(179): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlMultiHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#3 /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php(108): GuzzleHttp\Handler\CurlMultiHandler->processMessages()
#4 /var/www/laravel/vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.php(123): GuzzleHttp\Handler\CurlMultiHandler->tick()
#5 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(246): GuzzleHttp\Handler\CurlMultiHandler->execute(true)
#6 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(223): GuzzleHttp\Promise\Promise->invokeWaitFn()
#7 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(267): GuzzleHttp\Promise\Promise->waitIfPending()
#8 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(225): GuzzleHttp\Promise\Promise->invokeWaitList()
#9 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(267): GuzzleHttp\Promise\Promise->waitIfPending()
#10 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(225): GuzzleHttp\Promise\Promise->invokeWaitList()
#11 /var/www/laravel/vendor/guzzlehttp/promises/src/Promise.php(62): GuzzleHttp\Promise\Promise->waitIfPending()
#12 /var/www/laravel/vendor/aws/aws-sdk-php/src/S3/S3ClientTrait.php(33): GuzzleHttp\Promise\Promise->wait()
#13 /var/www/laravel/vendor/league/flysystem-aws-s3-v3/src/AwsS3Adapter.php(583): Aws\S3\S3Client->upload('elevatecds', '4/mampleInitial...', Resource id #8, 'private', Array)
#14 /var/www/laravel/vendor/league/flysystem-aws-s3-v3/src/AwsS3Adapter.php(368): League\Flysystem\AwsS3v3\AwsS3Adapter->upload('4/mampleInitial...', Resource id #8, Object(League\Flysystem\Config))
#15 /var/www/laravel/vendor/league/flysystem/src/Filesystem.php(122): League\Flysystem\AwsS3v3\AwsS3Adapter->writeStream('4/mampleInitial...', Resource id #8, Object(League\Flysystem\Config))
#16 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Filesystem/FilesystemAdapter.php(132): League\Flysystem\Filesystem->putStream('4/mampleInitial...', Resource id #8, Object(League\Flysystem\Config))
#17 /var/www/laravel/app/Http/Controllers/WorkspacesController.php(621): Illuminate\Filesystem\FilesystemAdapter->put('4/mampleInitial...', Resource id #8, Array)
#18 [internal function]: App\Http\Controllers\WorkspacesController->uploadFile(Object(Illuminate\Http\Request))
#19 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(55): call_user_func_array(Array, Array)
#20 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(44): Illuminate\Routing\Controller->callAction('uploadFile', Array)
#21 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Route.php(203): Illuminate\Routing\ControllerDispatcher->dispatch(Object(Illuminate\Routing\Route), Object(App\Http\Controllers\WorkspacesController), 'uploadFile')
#22 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Route.php(160): Illuminate\Routing\Route->runController()
#23 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Router.php(572): Illuminate\Routing\Route->run()
#24 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Routing\Router->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#25 /var/www/laravel/app/Http/Middleware/Authenticate.php(27): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#26 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): App\Http\Middleware\Authenticate->handle(Object(Illuminate\Http\Request), Object(Closure))
#27 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#28 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(65): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#29 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
#30 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#31 /var/www/laravel/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#32 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#33 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#34 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(64): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#35 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#36 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#37 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#38 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))
#39 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#40 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(59): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#41 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure))
#42 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#43 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(102): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#44 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Router.php(574): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#45 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Router.php(533): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))
#46 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Router.php(511): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request))
#47 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request))
#48 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http{closure}(Object(Illuminate\Http\Request))
#49 /var/www/laravel/vendor/barryvdh/laravel-debugbar/src/Middleware/Debugbar.php(51): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#50 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Barryvdh\Debugbar\Middleware\Debugbar->handle(Object(Illuminate\Http\Request), Object(Closure))
#51 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#52 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(46): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#53 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(148): Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure))
#54 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request))
#55 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(102): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request))
#56 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#57 /var/www/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))
#58 /var/www/laravel/public/index.php(53): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
#59 {main}

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