Development

Binary Responses

To return binary responses, such as PDF downloads, from your Vapor application, your HTTP response should include the X-Vapor-Base64-Encode header:

return $response->withHeaders([
    'X-Vapor-Base64-Encode' => 'True',
]);

Lambda limits responses to 6MB. If you need to serve a larger file, consider returning a signed, temporary S3 URL that your user may use to download the file directly from S3.

Configuring OpenSSL

To use certain OpenSSL functions such as openssl_pkey_new, you must create an openssl.cnf configuration file and instruct Vapor to load it via the OPENSSL_CONF environment variable. For example, this environment variable will instruct Vapor to load an openssl.cnf file from the root of your project:

OPENSSL_CONF="/var/task/openssl.cnf"

An example openssl.cnf file is available below:

dir = certificates

[ ca ]
default_ca = CA_default

[ CA_default ]
serial = $dir/serial
database = $dir/index.txt
new_certs_dir = $dir/newcerts
certificate  = $dir/cacert.pem
private_key = $dir/private/cakey.pem
default_days = 36500
default_md  = sha256
preserve = no
email_in_dn  = no
nameopt = default_ca
certopt = default_ca
policy = policy_match

[ policy_match ]
commonName = supplied
countryName = optional
stateOrProvinceName = optional
organizationName = optional
organizationalUnitName = optional
emailAddress = optional

[ req ]
default_bits = 2048
default_keyfile = priv.pem
default_md = sha256
distinguished_name = req_distinguished_name
req_extensions = v3_req
encyrpt_key = no

[ req_distinguished_name ]

[ v3_ca ]
basicConstraints = CA:TRUE
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always,issuer:always

[ v3_req ]
basicConstraints = CA:FALSE
subjectKeyIdentifier = hash

“After Response” Jobs

In typical Laravel applications, you may dispatch jobs that will be executed after the HTTP response is sent to the browser:

Route::get('/', function () {
    dispatch(function () {
        Mail::to('[email protected]')->send(new WelcomeMessage);
    })->afterResponse();

    return view('home');
});

However, we recommend that you always dispatch jobs to your queue workers when using Vapor. Vapor is not able to execute a job after sending a response to the browser; therefore, attempting to do so will cause your application to appear slower to the end user.

Inertia SSR

Currently, Inertia server-side rendering (SSR) is not available on Vapor environments due to constraints of AWS Lambda. For applications requiring Inertia with SSR capabilities, we recommend:

Laravel Cloud - Our fully-managed Laravel application platform.
Laravel Forge - Our VPS server management platform.

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Binary Responses

Configuring OpenSSL

“After Response” Jobs

Inertia SSR

​Binary Responses

​Configuring OpenSSL

​“After Response” Jobs

​Inertia SSR

Binary Responses

Configuring OpenSSL

“After Response” Jobs

Inertia SSR