From e6b02555f4aa6040f39a35b6d96754b7850e0a47 Mon Sep 17 00:00:00 2001
From: Masen Furer <m_github@0x26.net>
Date: Fri, 3 Nov 2023 16:08:31 -0700
Subject: [PATCH] =?UTF-8?q?Github=20Codespaces=20Support=20=F0=9F=AA=90=20?=
 =?UTF-8?q?(#2125)?=
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---
 .devcontainer/devcontainer.json | 14 ++++++++++++++
 reflex/config.py                | 12 ++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 .devcontainer/devcontainer.json

diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 000000000..9b9da13b2
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,14 @@
+{
+	"image": "mcr.microsoft.com/devcontainers/python:1-3.11-bookworm",
+	"postCreateCommand": "/bin/bash -c 'python -m pip install poetry && python -m poetry install & git clone https://github.com/reflex-dev/reflex-examples; wait'",
+	"forwardPorts": [3000, 8000],
+	"portsAttributes": {
+		"3000": {
+			"label": "Frontend",
+			"onAutoForward": "notify"
+		},
+		"8000": {
+			"label": "Backend"
+		}
+	}
+}
diff --git a/reflex/config.py b/reflex/config.py
index 5f135f08e..a496dd311 100644
--- a/reflex/config.py
+++ b/reflex/config.py
@@ -314,6 +314,18 @@ class Config(Base):
         ):
             self.deploy_url = f"http://localhost:{kwargs['frontend_port']}"
 
+        # If running in Github Codespaces, override API_URL
+        codespace_name = os.getenv("CODESPACE_NAME")
+        if "api_url" not in self._non_default_attributes and codespace_name:
+            GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN = os.getenv(
+                "GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN"
+            )
+            if codespace_name:
+                self.api_url = (
+                    f"https://{codespace_name}-{kwargs.get('backend_port', self.backend_port)}"
+                    f".{GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}"
+                )
+
     def _set_persistent(self, **kwargs):
         """Set values in this config and in the environment so they persist into subprocess.