From a4a60007341f8fe41b00cc90f8f5ae6e4f3ebcb9 Mon Sep 17 00:00:00 2001
From: cndoit18 <cndoit18@outlook.com>
Date: Fri, 6 Jan 2023 19:31:57 +0800
Subject: [PATCH] fix(dockerfile): Unable to build docker image

Fix the problem of not being able to build docker image
Use multi-stage builds to optimize

Signed-off-by: cndoit18 <cndoit18@outlook.com>
---
 .dockerignore              |  1 +
 src/main/docker/Dockerfile | 19 +++++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)
 create mode 100644 .dockerignore

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..9f97022
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+target/
\ No newline at end of file
diff --git a/src/main/docker/Dockerfile b/src/main/docker/Dockerfile
index 391fd7d..b2782d0 100644
--- a/src/main/docker/Dockerfile
+++ b/src/main/docker/Dockerfile
@@ -15,9 +15,16 @@
 # limitations under the License.
 #
 
-FROM java:8
-VOLUME /tmp
-ADD rocketmq-dashboard-*.jar rocketmq-dashboard.jar
-RUN sh -c 'touch /rocketmq-dashboard.jar'
-ENV JAVA_OPTS=""
-ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -jar /rocketmq-dashboard.jar" ]
+FROM maven:3.8.6-openjdk-8 AS builder
+
+ADD . .
+
+# package jar
+RUN mvn clean package -Dmaven.test.skip=true
+
+FROM openjdk:8u342-jdk
+
+# copy jar from the builder stage
+COPY --from=builder target/rocketmq-dashboard-*.jar rocketmq-dashboard.jar
+
+ENTRYPOINT exec java $JAVA_OPTS -jar rocketmq-dashboard.jar