From 1a2df120af95dd519e73eb09a019798baa119c1b Mon Sep 17 00:00:00 2001
From: zetaloop <zetaloop@outlook.com>
Date: Fri, 24 Apr 2026 08:16:42 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20bake=20=E6=96=87=E4=BB=B6=E5=86=99?=
 =?UTF-8?q?=E5=85=A5=E9=A1=B9=E7=9B=AE=E6=A0=B9=E7=9B=AE=E5=BD=95=E4=BB=A5?=
 =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20buildx=20context=20=E7=BC=93=E5=AD=98?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
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bake JSON 原先写入系统临时目录，buildx 默认以 bake 文件所在目录作为
构建 context，导致 COPY . . 复制空目录，go build 命中旧的 mount cache
产出旧二进制，源码变更后镜像内容不变。改为写入项目根目录的 .bake.json。
---
 .gitignore          |  5 ++++-
 deploy/dev/build.py | 10 ++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index a42f474..e93c2f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -125,4 +125,7 @@ DockerFile
 # Go compiled binaries
 app/*/api/api
 app/*/rpc/rpc
-app/*/mq/mq
\ No newline at end of file
+app/*/mq/mq
+
+# Build artifacts
+.bake.json
\ No newline at end of file
diff --git a/deploy/dev/build.py b/deploy/dev/build.py
index 441b80c..b6361cf 100644
--- a/deploy/dev/build.py
+++ b/deploy/dev/build.py
@@ -5,7 +5,6 @@ import json
 import os
 import subprocess
 import sys
-import tempfile
 from glob import glob
 from pathlib import Path
 
@@ -100,21 +99,20 @@ def main():
         "target": targets,
     }
 
-    fd, bakefile = tempfile.mkstemp(prefix="juwan-bake-", suffix=".json")
+    bakefile = ROOT_DIR / ".bake.json"
     try:
-        with os.fdopen(fd, "w") as f:
-            json.dump(bake, f, indent=2)
+        bakefile.write_text(json.dumps(bake, indent=2))
         print(f"Generated {len(targets)} targets -> {bakefile}")
 
         names = list(targets.keys())
         for i in range(0, len(names), BAKE_BATCH_SIZE):
             batch = names[i : i + BAKE_BATCH_SIZE]
             subprocess.run(
-                ["docker", "buildx", "bake", "--load", "-f", bakefile, *batch],
+                ["docker", "buildx", "bake", "--load", "-f", str(bakefile), *batch],
                 check=True,
             )
     finally:
-        os.unlink(bakefile)
+        bakefile.unlink(missing_ok=True)
 
 
 main()