fix: share source code between steps using volume

.drone.yml

@@ -7,6 +7,8 @@ volumes:
   - name: maven-cache
     persistentVolumeClaim:
       claimName: maven-cache-pvc
+  - name: source-code
+    emptyDir: {}
 
 trigger:
   event:
@@ -18,10 +20,13 @@ steps:
   - name: dev-build
     image: ccr.ccs.tencentyun.com/violin/maven:3.9-eclipse-temurin-22
     commands:
+      - cp -r . /source
       - mvn clean package -DskipTests
     volumes:
       - name: maven-cache
         mountPath: /root/.m2
+      - name: source-code
+        mountPath: /source
 
   - name: dev-build-image
     image: ccr.ccs.tencentyun.com/violin/kaniko-project-executor:latest
@@ -31,9 +36,12 @@ steps:
     commands:
       - >-
         /kaniko/executor
-        --context .
+        --context /source
         --destination ccr.ccs.tencentyun.com/violin/todo-backend:${DRONE_COMMIT_SHA}
         --destination ccr.ccs.tencentyun.com/violin/todo-backend:latest
+    volumes:
+      - name: source-code
+        mountPath: /source
 
   - name: dev-deploy
     image: ccr.ccs.tencentyun.com/violin/kubectl:latest
@@ -54,6 +62,8 @@ volumes:
   - name: maven-cache
     persistentVolumeClaim:
       claimName: maven-cache-pvc
+  - name: source-code
+    emptyDir: {}
 
 trigger:
   event:
@@ -65,10 +75,13 @@ steps:
   - name: prod-build
     image: ccr.ccs.tencentyun.com/violin/maven:3.9-eclipse-temurin-22
     commands:
+      - cp -r . /source
       - mvn clean package -DskipTests
     volumes:
       - name: maven-cache
         mountPath: /root/.m2
+      - name: source-code
+        mountPath: /source
 
   - name: prod-build-image
     image: ccr.ccs.tencentyun.com/violin/kaniko-project-executor:latest
@@ -78,9 +91,12 @@ steps:
     commands:
       - >-
         /kaniko/executor
-        --context .
+        --context /source
         --destination ccr.ccs.tencentyun.com/violin/todo-backend:${DRONE_COMMIT_SHA}
         --destination ccr.ccs.tencentyun.com/violin/todo-backend:v1.0.0
+    volumes:
+      - name: source-code
+        mountPath: /source
 
   - name: prod-deploy
     image: ccr.ccs.tencentyun.com/violin/kubectl:latest