docker: add tag for commit hash (#1222)

Author: Darioush Jalali

scripts/build_docker_image.sh

@@ -15,7 +15,8 @@ source "$SUBNET_EVM_PATH"/scripts/versions.sh
 BUILD_IMAGE_ID=${BUILD_IMAGE_ID:-"${CURRENT_BRANCH}"}
 
 echo "Building Docker Image: $DOCKERHUB_REPO:$BUILD_IMAGE_ID based of AvalancheGo@$AVALANCHE_VERSION"
-docker build -t "$DOCKERHUB_REPO:$BUILD_IMAGE_ID" "$SUBNET_EVM_PATH" -f "$SUBNET_EVM_PATH/Dockerfile" \
+docker build -t "$DOCKERHUB_REPO:$BUILD_IMAGE_ID" -t "$DOCKERHUB_REPO:${SUBNET_EVM_COMMIT::8}" \
+ "$SUBNET_EVM_PATH" -f "$SUBNET_EVM_PATH/Dockerfile" \
   --build-arg AVALANCHE_VERSION="$AVALANCHE_VERSION" \
   --build-arg SUBNET_EVM_COMMIT="$SUBNET_EVM_COMMIT" \
   --build-arg CURRENT_BRANCH="$CURRENT_BRANCH"