diff --git a/CHANGES.md b/CHANGES.md
index 11c3a41..1ee254d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -16,6 +16,7 @@
 - Add `dkml-target-abi-<TARGET>` and `dkml-host-abi-<HOST>` when installing `dkml-base-compiler`. Related: Remove `ocaml_options = "ocaml-option-32bit"` for `windows_x86` matrix item that was now unused in dkml-base-compiler.
 - Remove unused `opam_abi` from the test matrix.
 - Add `--assume-depexts` during install of OCaml compiler. That means system packages are not auto-installed and your CI system will need to explicitly add any requirements like `g++-multilib gcc-multilib` for linux_x86.
+- Show Dockerfile when a Docker container or dockcross is selected.
 
 ## 2.1.3
 
diff --git a/src/scripts/setup-dkml.sh b/src/scripts/setup-dkml.sh
index b2e2983..47315e6 100755
--- a/src/scripts/setup-dkml.sh
+++ b/src/scripts/setup-dkml.sh
@@ -67,7 +67,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -85,7 +85,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/gh-darwin/pre/action.yml b/test/gh-darwin/pre/action.yml
index 9d444cb..4c3288c 100644
--- a/test/gh-darwin/pre/action.yml
+++ b/test/gh-darwin/pre/action.yml
@@ -428,7 +428,7 @@ runs:
                 "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
                 "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
                 "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
@@ -446,7 +446,7 @@ runs:
 
             install -d .ci/sd4/docker-image
             printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
diff --git a/test/gh-linux/pre/action.yml b/test/gh-linux/pre/action.yml
index 109b5d9..c1a9544 100644
--- a/test/gh-linux/pre/action.yml
+++ b/test/gh-linux/pre/action.yml
@@ -454,7 +454,7 @@ runs:
                 "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
                 "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
                 "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
@@ -472,7 +472,7 @@ runs:
 
             install -d .ci/sd4/docker-image
             printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
diff --git a/test/gh-windows/pre/action.yml b/test/gh-windows/pre/action.yml
index 10417cf..1d91ff7 100644
--- a/test/gh-windows/pre/action.yml
+++ b/test/gh-windows/pre/action.yml
@@ -487,7 +487,7 @@ runs:
                 "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
                 "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
                 "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
@@ -505,7 +505,7 @@ runs:
 
             install -d .ci/sd4/docker-image
             printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-                >.ci/sd4/docker-image/Dockerfile
+                |tee .ci/sd4/docker-image/Dockerfile
             docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
             # Save image id to re-use for all remaining invocations
diff --git a/test/gl/setup-dkml.gitlab-ci.yml b/test/gl/setup-dkml.gitlab-ci.yml
index 4907e7c..3a7265c 100644
--- a/test/gl/setup-dkml.gitlab-ci.yml
+++ b/test/gl/setup-dkml.gitlab-ci.yml
@@ -738,7 +738,7 @@ variables:
               "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
               "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
               "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
@@ -756,7 +756,7 @@ variables:
 
           install -d .ci/sd4/docker-image
           printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
@@ -2767,7 +2767,7 @@ variables:
               "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
               "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
               "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
@@ -2785,7 +2785,7 @@ variables:
 
           install -d .ci/sd4/docker-image
           printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
@@ -4515,7 +4515,7 @@ variables:
               "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
               "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
               "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
@@ -4533,7 +4533,7 @@ variables:
 
           install -d .ci/sd4/docker-image
           printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-              >.ci/sd4/docker-image/Dockerfile
+              |tee .ci/sd4/docker-image/Dockerfile
           docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
           # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-darwin_arm64.sh b/test/pc/setup-dkml-darwin_arm64.sh
index f27176a..0411e3e 100644
--- a/test/pc/setup-dkml-darwin_arm64.sh
+++ b/test/pc/setup-dkml-darwin_arm64.sh
@@ -1225,7 +1225,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1243,7 +1243,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-darwin_x86_64.sh b/test/pc/setup-dkml-darwin_x86_64.sh
index 0e67c21..7011e54 100644
--- a/test/pc/setup-dkml-darwin_x86_64.sh
+++ b/test/pc/setup-dkml-darwin_x86_64.sh
@@ -1228,7 +1228,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1246,7 +1246,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-linux_x86.sh b/test/pc/setup-dkml-linux_x86.sh
index 03a6ec2..3823467 100644
--- a/test/pc/setup-dkml-linux_x86.sh
+++ b/test/pc/setup-dkml-linux_x86.sh
@@ -1231,7 +1231,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1249,7 +1249,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-linux_x86_64.sh b/test/pc/setup-dkml-linux_x86_64.sh
index 2b55c91..1af0ec9 100644
--- a/test/pc/setup-dkml-linux_x86_64.sh
+++ b/test/pc/setup-dkml-linux_x86_64.sh
@@ -1231,7 +1231,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1249,7 +1249,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-windows_x86.ps1 b/test/pc/setup-dkml-windows_x86.ps1
index 37a99b9..22bc0f1 100644
--- a/test/pc/setup-dkml-windows_x86.ps1
+++ b/test/pc/setup-dkml-windows_x86.ps1
@@ -1502,7 +1502,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1520,7 +1520,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
diff --git a/test/pc/setup-dkml-windows_x86_64.ps1 b/test/pc/setup-dkml-windows_x86_64.ps1
index 01f7c7f..181301e 100644
--- a/test/pc/setup-dkml-windows_x86_64.ps1
+++ b/test/pc/setup-dkml-windows_x86_64.ps1
@@ -1502,7 +1502,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${dockcross_image:-}" ]; then
         "${dockcross_packages_apt:-}" "${dockcross_packages_apt2:-}" "${dockcross_packages_apt3:-}" "${dockcross_packages_apt4:-}" "${dockcross_packages_apt5:-}" \
         "${dockcross_packages_yum:-}" "${dockcross_packages_yum2:-}" "${dockcross_packages_yum3:-}" "${dockcross_packages_yum4:-}" "${dockcross_packages_yum5:-}" \
         "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/dockcross:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations
@@ -1520,7 +1520,7 @@ if [ "${in_docker:-}" = "true" ] && [ -n "${docker_image:-}" ]; then
 
     install -d .ci/sd4/docker-image
     printf "FROM %s\nRUN %s" "$docker_image" "${docker_assemble_command:-true}" \
-        >.ci/sd4/docker-image/Dockerfile
+        |tee .ci/sd4/docker-image/Dockerfile
     docker build --quiet --tag "${docker_fqin_preusername}dkml-workflows/docker:latest" .ci/sd4/docker-image
 
     # Save image id to re-use for all remaining invocations