use fix context

try to change maven local repo path

Author: mixam24

.github/workflows/generator.yaml

@@ -18,13 +18,13 @@ jobs:
       - name: Cache local Maven repository
         uses: actions/cache@v2
         with:
-          path: ~/.m2/repository
+          path: ./.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Build JAR
         env:
-          MAVEN_OPTS: -Dmaven.repo.local=$HOME/.m2/repository
+          MAVEN_OPTS: -Dmaven.repo.local=./.m2/repository
         run: mvn clean package
       - name: Move archive
         run: mv target/*.tar json-data-generator.tar
@@ -67,6 +67,7 @@ jobs:
       - name: Build container image
         uses: docker/build-push-action@v2
         with:
+          context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           github-token: ${{ secrets.GITHUB_TOKEN }}