read configs from env

BuildConfig.sh

@@ -0,0 +1,36 @@
+#！/bin/bash
+rm -f /app/config.js;
+if [ -z "$BACKEND_HOST" ]; then
+    BACKEND_HOST="http://localhost:5000"
+fi
+if [ -z "$FRONTEND_HOST" ]; then
+    FRONTEND_HOST="http://localhost:3000"
+fi
+if [ -z "$KC_CLIENT_ID" ]; then
+    KC_CLIENT_ID="labdev"
+fi
+if [ -z "$KC_HOST" ]; then
+    KC_HOST="https://login.hangman-lab.top"
+fi
+if [ -z "$KC_REALM" ]; then
+    KC_REALM="Hangman-Lab"
+fi
+
+mkdir -p /app/src
+
+echo "
+const config = {
+    BACKEND_HOST: \"${BACKEND_HOST}\",
+    FRONTEND_HOST: \"${FRONTEND_HOST}\",
+    KC_CLIENT_ID: \"${KC_CLIENT_ID}\",
+    OIDC_CONFIG: {
+        authority: \"${KC_HOST}/realms/${KC_REALM}\",
+        client_id: \"${KC_CLIENT_ID}\",
+        redirect_uri: \"${FRONTEND_HOST}/callback\",
+        post_logout_redirect_uri: \"${FRONTEND_HOST}\",
+        response_type: \"code\",
+        scope: \"openid profile email roles\",
+    },
+};
+export default config;
+" > /app/src/config.js;