feat: support --proxy-domain

Author: DanielleMaywood

src/code-server/README.md

@@ -33,6 +33,7 @@ VS Code in the browser
 | locale | Set VS Code display language and language shown on the login page. Format should be an IETF language tag (e.g., 'en', 'fr', 'zh-CN'). | string | - |
 | logFile | Path to a file to send stdout and stderr logs to from code-server. | string | /tmp/code-server.log |
 | port | The port to bind to for the code-server. | string | 8080 |
+| proxyDomain | Domain used for proxying ports. | string | - |
 | socket | Path to a socket. When specified, host and port will be ignored. | string | - |
 | socketMode | File mode of the socket when using the socket option. | string | - |
 | trustedOrigins | Comma-separated list of trusted-origins to disable origin check for. Useful if not able to access reverse proxy configuration. | string | - |

src/code-server/devcontainer-feature.json

@@ -95,6 +95,11 @@
             "default": "8080",
             "description": "The port to bind to for the code-server."
         },
+        "proxyDomain": {
+            "type": "string",
+            "default": "",
+            "description": "Domain used for proxying ports."
+        },
         "socket": {
             "type": "string",
             "default": "",

src/code-server/install.sh

@@ -105,6 +105,10 @@ for extension in "${proposed_api_extensions[@]}"; do
     FLAGS+=(--enable-proposed-api "$extension")
 done
 
+if [[ "$PROXYDOMAIN" ]]; then
+    FLAGS+=(--proxy-domain "$PROXYDOMAIN")
+fi
+
 cat > /usr/local/bin/code-server-entrypoint <<EOF
 #!/usr/bin/env bash
 set -e

test/code-server/code-server-proxy-domain.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+source dev-container-features-test-lib
+
+# Feature-specific tests
+check "code-server version" code-server --version
+check "code-server running" pgrep -f 'code-server/lib/node.*/code-server'
+check "code-server listening" lsof -i "@127.0.0.1:8080"
+
+check "code-server proxy-domain" grep '"--proxy-domain".*"dev.coder.com"' < /usr/local/bin/code-server-entrypoint
+
+# Report results
+reportResults

test/code-server/scenarios.json

@@ -219,5 +219,13 @@
                 ]
             }
         }
+    },
+    "code-server-proxy-domain": {
+        "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+        "features": {
+            "code-server": {
+                "proxyDomain": "dev.coder.com"
+            }
+        }
     }
 }