diff --git a/.gitea/workflows/build-ubuntu.yml b/.gitea/workflows/build-ubuntu.yml
index b1ab728..7172733 100644
--- a/.gitea/workflows/build-ubuntu.yml
+++ b/.gitea/workflows/build-ubuntu.yml
@@ -64,27 +64,32 @@ jobs:
       - name: Build
         run: |
           echo -------------------
+          echo docker container ls -a
+          docker container ls -a
+          echo -------------------
+          echo docker image ls -a
+          docker image ls -a
+          echo -------------------
+          echo docker info --format 'Name={{.Name}} OperatingSystem={{.OperatingSystem}} DockerRootDir={{.DockerRootDir}}'
           docker info --format 'Name={{.Name}} OperatingSystem={{.OperatingSystem}} DockerRootDir={{.DockerRootDir}}'
           echo -------------------
+          echo docker info | sed -n '/Server:/,/Client:/p'
           docker info | sed -n '/Server:/,/Client:/p'
           echo -------------------
-          docker run --rm alpine sh -c 'echo daemon-container-can-run && pwd && ls -ld /workspace /workspace/daqbuf /workspace/daqbuf/build1 /workspace/daqbuf/build1/src 2>&1 || true'
-          echo -------------------
           cat >cf1 <<EOF
           FROM $BUILDER_IMAGE
           COPY src /data
           WORKDIR /data
-          RUN cargo build --release
           EOF
           cat cf1
-          img1=$(docker build -f cf1 .)
-          echo img1 $img1
-          cid1=$(docker create --rm $img1)
+          img1=$(docker image build --file cf1 --tag 17af4291b392e549 .)
+          # echo img1 $img1
+          cid1=$(docker create --rm 17af4291b392e549)
           echo cid1 $cid1
           docker start --attach $cid1
           mkdir -p artifacts
           docker cp "$cid1:/data/target" artifacts/
-          docker image rm $img1
+          docker image rm 17af4291b392e549
           echo -------------------
           ls -l artifacts
           echo -------------------
@@ -101,8 +106,10 @@ jobs:
           # docker cp $(realpath src)/. $cid:/data
           # docker start -a $cid
           echo -------------------
+          echo docker container ls -a
           docker container ls -a
           echo -------------------
+          echo docker image ls -a
           docker image ls -a
           echo -------------------
       - name: View