diff --git a/.dockerignore b/.dockerignore
index 37bfc1ab4..9bef78afd 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -27,4 +27,9 @@ ztm_agent.db
 ztm_agent_db*
 
 # buck2 out
-buck-out
\ No newline at end of file
+buck-out
+
+# docker files
+docker/mega_mono_dockerfile
+docker/mega_moon_dockerfile
+docker/mega_pg_dockerfile
\ No newline at end of file
diff --git a/docker/README.md b/docker/README.md
index 01b348c7f..c901df051 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -5,13 +5,15 @@
 # cd root of the project
 
 # build postgres image
-docker buildx build -t mega-db:1.0 -f ./docker/mega_pg_dockerfile .
+docker buildx build -t mega-db:0.1-pre-release -f ./docker/mega_pg_dockerfile .
 
-# build backend mono image
-docker buildx build -t mega-mono:1.0 -f ./docker/mega_mono_dockerfile .
+# build backend mono image (default in release mode)
+docker buildx build -t mega-mono:0.1-pre-release -f ./docker/mega_mono_dockerfile .
+# build backend mono in debug mode
+# docker buildx build -t mega-mono:1.0 -f ./docker/mega_mono_dockerfile --build-arg BUILD_TYPE=debug .
 
 # build frontend moon image
-docker buildx build -t mega-moon:1.0 -f ./docker/mega_moon_dockerfile .
+docker buildx build -t mega-moon:0.1-pre-release -f ./docker/mega_moon_dockerfile .
 ```
 
 # test mono and moon
@@ -22,8 +24,8 @@ docker buildx build -t mega-moon:1.0 -f ./docker/mega_moon_dockerfile .
 # create network
 docker network create mega-network
 
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/etc/mega mega-mono:1.0
-docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:1.0
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
+docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:0.1-pre-release
 ```
 
 visit http://localhost:3000 to see the frontend
@@ -37,13 +39,13 @@ visit http://localhost:3000 to see the frontend
 docker network create mega-network
 
 # run postgres
-docker run --rm -it -d --network mega-network --name mega-db mega-db:1.0
+docker run --rm -it -d --network mega-network --name mega-db mega-db:0.1-pre-release
 ```
 
 2. create default config
 
 ```bash
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/etc/mega mega-mono:1.0
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
 docker stop mega-mono
 ```
 
@@ -63,6 +65,6 @@ db_url = "postgres://mega:mega@mega-db:5432/mega"
 4. Start the mono again, and run the frontend.
 
 ```bash
-docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/etc/mega mega-mono:1.0
-docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:1.0
+docker run --rm -it -d --network mega-network --name mega-mono -v ./mega_base:/opt/mega/etc mega-mono:0.1-pre-release
+docker run --rm -it -d --network mega-network -e NEXT_PUBLIC_API_URL=http://mega-mono:8000 -p 3000:3000 mega-moon:0.1-pre-release
 ```
\ No newline at end of file
diff --git a/docker/mega_mono_dockerfile b/docker/mega_mono_dockerfile
index 2e82d09f1..c93002c62 100644
--- a/docker/mega_mono_dockerfile
+++ b/docker/mega_mono_dockerfile
@@ -1,7 +1,16 @@
-FROM debian:bookworm-slim
+FROM debian:bookworm-slim AS builder
 
 WORKDIR /opt/mega
 
+# build args, to specify the build type, release or debug
+ARG BUILD_TYPE=release
+
+# check arg value
+RUN if [ "$BUILD_TYPE" != "release" ] && [ "$BUILD_TYPE" != "debug" ]; then \
+        echo "Invalid BUILD_TYPE: $BUILD_TYPE, must be release or debug"; \
+        exit 1; \
+    fi
+
 # set mirror for apt
 # RUN echo "deb http://mirrors.ustc.edu.cn/debian bookworm main contrib non-free" > /etc/apt/sources.list && \
 #     echo "deb http://mirrors.ustc.edu.cn/debian-security bookworm-security main contrib non-free" >> /etc/apt/sources.list && \
@@ -28,11 +37,26 @@ ENV PATH=/root/.cargo/bin:$PATH！
 
 # copy the source code, the context must be the root of the project
 COPY . .
-RUN chmod +x /opt/mega/docker/start_mono.sh
 
 # build
-RUN cargo build -p mono
+RUN if [ "$BUILD_TYPE" = "release" ]; then \
+        cargo build -p mono --release; \
+    else \
+        cargo build -p mono; \
+    fi
+
+# final image
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y libssl-dev
+
+ARG BUILD_TYPE=release
+
+COPY --from=builder /opt/mega/target/$BUILD_TYPE/mono /usr/local/bin/mono
+COPY --from=builder /opt/mega/docker/start_mono.sh /usr/local/bin/start_mono.sh
+RUN chmod +x /usr/local/bin/start_mono.sh
+RUN chmod +x /usr/local/bin/mono
 
-VOLUME /etc/mega
+VOLUME /opt/mega/etc
 
-CMD ["bash", "-c", "/opt/mega/docker/start_mono.sh"]
\ No newline at end of file
+CMD ["bash", "-c", "/usr/local/bin/start_mono.sh"]
\ No newline at end of file
diff --git a/docker/start_mono.sh b/docker/start_mono.sh
index 883946a86..eef43412f 100755
--- a/docker/start_mono.sh
+++ b/docker/start_mono.sh
@@ -1,10 +1,12 @@
 #!/bin/sh
 
-CONFIG_FILE="/etc/mega"
-MEGA_BASE_DIR="/etc/mega"
+export MEGA_BASE_DIR="/opt/mega/etc"
+CONFIG_FILE="$MEGA_BASE_DIR/config.toml"
+
 # check if config file exists
 if [ -f "$CONFIG_FILE" ]; then
-    exec /opt/mega/target/debug/mono -c "$CONFIG_FILE"  service http --host 0.0.0.0
+    echo "Using config file: $CONFIG_FILE"
+    exec /usr/local/bin/mono -c "$CONFIG_FILE"  service http --host 0.0.0.0
 else
-    exec /opt/mega/target/debug/mono service http --host 0.0.0.0
+    exec /usr/local/bin/mono service http --host 0.0.0.0
 fi
\ No newline at end of file