Upgrade to PHP 8.0 (#262)

* update Dockerfile runtime to PHP 8.0, update all components necessary and fix issues with tests. Replace Diactoros with Nyholm Psr17 factory

* set the php version more effectively

* use composer LTS

* update CI file for newer PHP too

* update elife libraries to latest supported

* merge artifacts lost

* update elife/api-client to latest stable

* update all dependencies

* Updates for newer PHPUnit from master merge

* Updates for newer PHPUnit from master merge

* Update all dependencies again

* Update silex

* Update dependencies to fix warnings given in test output

* Revert "Update dependencies to fix warnings given in test output"

This reverts commit a43fdbf.

Author: scottaubrey

Dockerfile

@@ -3,7 +3,7 @@ FROM composer:2.2 AS build
 COPY composer.json composer.lock ./
 RUN composer --no-interaction install --no-suggest --prefer-dist
 
-FROM elifesciences/php_7.0_cli:656bb4bdf1e49a5e80337e2a7c4f44f10c3f52b0 AS base
+FROM ghcr.io/elifesciences/php:8.0-cli@sha256:f681973227dbab578218a98f252dfd36fd42016b74be6d0044221a7d8cdcc4e6 AS base
 
 USER elife
 

composer.json

@@ -13,32 +13,32 @@
         }
     },
     "require": {
-        "php": "^7.0",
-        "elife/api-problem": "^1.0",
-        "elife/content-negotiator": "^1.0",
-        "elife/ping": "^1.0",
+        "php": "8.0.*",
+        "elife/api-problem": "^1.3",
+        "elife/content-negotiator": "^1.1",
+        "elife/ping": "^1.2",
         "jdesrosiers/silex-cors-provider": "^1.2",
-        "silex/silex": "^2.0",
-        "symfony/finder": "^3.1",
-        "symfony/http-foundation": "^3.1",
-        "symfony/http-kernel": "^3.1"
+        "nyholm/psr7": "^1.8",
+        "silexandfriends/silex": "^2.3",
+        "symfony/finder": "^4.4",
+        "symfony/http-foundation": "^4.4",
+        "symfony/http-kernel": "^4.4"
     },
     "require-dev": {
         "elife/api": "^2.31",
-        "elife/api-client": "^1.0@dev",
-        "elife/api-validator": "^1.0@dev",
-        "guzzlehttp/guzzle": "^6.0",
-        "guzzlehttp/psr7": "^1.3",
+        "elife/api-client": "^1.1",
+        "elife/api-validator": "^1.1",
+        "guzzlehttp/guzzle": "^7.9",
+        "guzzlehttp/psr7": "^2.7",
         "justinrainbow/json-schema": "^5.1",
-        "phpunit/phpunit": "^5.5",
+        "phpunit/phpunit": "^9.6",
         "squizlabs/php_codesniffer": "^3.5",
-        "symfony/filesystem": "^3.4",
-        "symfony/psr-http-message-bridge": "^1.0",
-        "zendframework/zend-diactoros": "^1.3"
+        "symfony/filesystem": "^4.4",
+        "symfony/psr-http-message-bridge": "^2.0"
     },
     "config": {
         "platform": {
-            "php": "7.0.29"
+            "php": "8.0.30"
         },
         "sort-packages": true
     }