diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 7a5e2a0..dae92e0 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -18,11 +18,11 @@ jobs:
       run: |
         if [ "$GITHUB_REF_TYPE" = "tag" ]
         then
-          echo IMAGE_TYPE=beta
+          echo IMAGE_TYPE=""
           echo IMAGE_TAG=$GITHUB_REF_NAME
         else
-          echo IMAGE_TYPE=dev
-          echo IMAGE_TAG=
+          echo IMAGE_TYPE=-dev
+          echo IMAGE_TAG=$(date -u +%s)
         fi >> $GITHUB_ENV
     - name: Login to GitHub Container Registry
       uses: docker/login-action@v3
@@ -33,4 +33,10 @@ jobs:
 
     - uses: actions/checkout@v4
     - name: Build the Docker image
-      run: cd beta && ./docker-build.sh $IMAGE_TYPE $IMAGE_TAG
+      # run: ./docker-build.sh $IMAGE_TYPE $IMAGE_TAG
+      run: |
+        TAG=ghcr.io/iti/pcesapps$IMAGE_TYPE:$IMAGE_TAG
+        TAG2=ghcr.io/iti/pcesapps$IMAGE_TYPE:latest
+        docker build --no-cache -t $TAG -t $TAG2 .
+        docker push $TAG
+        docker push $TAG2
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0d71830
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+# Usage:
+#
+# docker build -t pcesapps-dev:latest -t pcesapps:latest .
+# docker run -it --rm -v ~/pcesapps/extern:/tmp/extern ghcr.io/iti/pcesapps-dev
+# docker run -it --rm -v ~/pcesapps/extern:/tmp/extern ghcr.io/iti/pcesapps
+#
+FROM golang:1.23-bookworm
+
+# Add whatever Debian packages you want here.
+RUN apt-get -y update &&  \ 
+    apt-get install --no-install-recommends -y \
+    vim-nox && \
+    rm -rf /var/lib/apt/lists/*
+
+# Build the pcesapps app
+WORKDIR /pcesapps
+COPY . .
+RUN cd embedded/sim-dir && go mod tidy && go build -o /bin/sim sim.go exp.go
+
+# remember to use "-v" to map in /tmp/extern
+WORKDIR /tmp/extern