From efc3f1ad8925ccc84fbc55157ea8a32bcee3f6de Mon Sep 17 00:00:00 2001
From: Yi-Ting Shih <ytshih@it.cs.nycu.edu.tw>
Date: Tue, 9 Dec 2025 02:04:07 +0800
Subject: [PATCH] Fix: build binary in dockerfile when running ci

---
 Dockerfile         | 18 ++++++++++++++++--
 docker-compose.yml |  1 +
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 0186a38..9ffb2c3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,20 @@
-FROM docker.io/library/debian:13-slim
+FROM docker.io/library/golang:1.25 AS build
 
-ADD backend /work/backend
+WORKDIR /work
+COPY . .
+RUN make backend
+
+FROM docker.io/library/debian:13-slim AS run
+
+COPY --from=build /work/backend /work/backend
+WORKDIR /work
+
+ENTRYPOINT ["/work/backend"]
+CMD ["serve"]
+
+FROM docker.io/library/debian:13-slim AS testing
+
+COPY backend /work/backend
 WORKDIR /work
 
 ENTRYPOINT ["/work/backend"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 0558836..ddecfe5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -62,6 +62,7 @@ services:
   backend:
     build:
       context: .
+      target: testing
     env_file:
       - path: ./.env
         required: false