Use the modular api-platform packages instead of the monolitic api-platform/core package

composer.json

@@ -12,7 +12,9 @@
         "ext-json": "*",
         "ext-mbstring": "*",
         "amphp/http-client": "^5.1",
-        "api-platform/core": "^3.1",
+        "api-platform/doctrine-orm": "^3",
+        "api-platform/json-api": "^3.4",
+        "api-platform/symfony": "^3",
         "beberlei/doctrineextensions": "^1.2",
         "brick/math": "0.12.1 as 0.11.0",
         "composer/ca-bundle": "^1.3",

symfony.lock

@@ -13,6 +13,20 @@
             "src/ApiResource/.gitignore"
         ]
     },
+    "api-platform/symfony": {
+        "version": "3.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "3.3",
+            "ref": "74b45ac570c57eb1fbe56c984091a9ff87e18bab"
+        },
+        "files": [
+            "./config/packages/api_platform.yaml",
+            "./config/routes/api_platform.yaml",
+            "./src/ApiResource/.gitignore"
+        ]
+    },
     "beberlei/assert": {
         "version": "v3.2.6"
     },