curl -v \
> -d '{"aps":{"alert":"test","sound":"default"}}' \
> -H "apns-topic:com.com.shiftdrinks" \
> -H "apns-expiration: 1" \
> -H "apns-priority: 10" \
> --http2 \
> --cert ./certificates/prod-cert.pem \
> --key ./certificates/prod-key.pem \
> https://api.push.apple.com/3/device/7a19cbaaec55e8848c157e678d599513cf569b318ae03d3e875a963fa47fe6a4
*   Trying 17.188.161.139...
* TCP_NODELAY set
* Connected to api.push.apple.com (17.188.161.139) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/cert.pem
  CApath: none
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
* TLSv1.2 (IN), TLS handshake, Request CERT (13):
* TLSv1.2 (IN), TLS handshake, Server finished (14):
* TLSv1.2 (OUT), TLS handshake, Certificate (11):
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
* TLSv1.2 (OUT), TLS handshake, CERT verify (15):
* TLSv1.2 (OUT), TLS change cipher, Client hello (1):
* TLSv1.2 (OUT), TLS handshake, Finished (20):
* TLSv1.2 (IN), TLS change cipher, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
* ALPN, server accepted to use h2
* Server certificate:
*  subject: CN=api.push.apple.com; OU=management:idms.group.533599; O=Apple Inc.; ST=California; C=US
*  start date: Jan  6 00:14:15 2018 GMT
*  expire date: Feb  5 00:14:15 2020 GMT
*  subjectAltName: host "api.push.apple.com" matched cert's "api.push.apple.com"
*  issuer: CN=Apple IST CA 2 - G1; OU=Certification Authority; O=Apple Inc.; C=US
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x7fd78c805800)
> POST /3/device/7a19cbaaec55e8848c157e678d599513cf569b318ae03d3e875a963fa47fe6a4 HTTP/2
> Host: api.push.apple.com
> User-Agent: curl/7.54.0
> Accept: */*
> apns-topic:com.com.shiftdrinks
> apns-expiration: 1
> apns-priority: 10
> Content-Length: 42
> Content-Type: application/x-www-form-urlencoded
>
* We are completely uploaded and fine
* Connection state changed (MAX_CONCURRENT_STREAMS updated)!
< HTTP/2 200
< apns-id: D135ED4C-75C4-1933-9A39-962C1B3BC680
<
* Connection #0 to host api.push.apple.com left intact