Improvements to the docker build script

.github/dependabot.yml

@@ -8,6 +8,10 @@ updates:
         day: "saturday"
         time: "01:00"
     directory: "/"
+    allow:
+      # Allow updates for crane and squirrel....moose is updated through CIVET
+      - dependency-name: "crane"
+      - dependency-name: "squirrel"
   # Maintain dependencies for GitHub Actions once a month
   - package-ecosystem: "github-actions"
     schedule:

doc/content/development/zapdos_developer_info.md

@@ -7,13 +7,10 @@ is desired, please refer to the [moose_developer_info.md] page.
 ## Update and Build a New Docker Container
 
 !style halign=left
-The Zapdos docker container image should be updated whenever Zapdos source code or submodules (CRANE,
-Squirrel, or MOOSE) are updated and those changes are merged into the master branch. Whenever the
-MOOSE submodule is updated, in particular, the submodule git commit hash must be copied and entered
-into the `Dockerfile` so that the proper MOOSE docker image can be used with the Zapdos image.
-
-To build a new docker container, first fetch the most up-to-date version of the Zapdos master branch.
-Assuming that Zapdos is stored in `~/projects/` and that your `upstream` remote is referencing
+The Zapdos docker container image should be updated whenever Zapdos source code or that of submodules
+(CRANE, Squirrel, or MOOSE) are updated and those changes are merged into the master branch. To build
+a new docker container, first fetch the most up-to-date version of the Zapdos master branch. Assuming
+that Zapdos is stored in `~/projects/` and that your `upstream` remote is referencing
 [shannon-lab/zapdos](https://github.com/shannon-lab/zapdos.git):
 
 ```bash
@@ -68,7 +65,3 @@ INFO: Push to Docker Hub disabled. If desired in the future, run this script
       docker push shannonlab/zapdos:2c4a214d4d55106ac6c8c9058e3b224a46ba416d
       docker push shannonlab/zapdos:latest
 ```
-
-
-
-

Dockerfile → scripts/Dockerfile

@@ -1,5 +1,5 @@
-# DON'T FORGET: Modify this hash to be consistent with the MOOSE submodule!
-FROM idaholab/moose:5e60aeb38c948f5db9e98b2080724b87188f5ee2
+# Template variable is replaced with hash when build_docker.sh is run!
+FROM idaholab/moose:{{MOOSE_HASH}}
 
 WORKDIR /opt
 

scripts/build_docker.sh

@@ -32,29 +32,27 @@ fi
 # Enter Zapdos source location, checkout master branch, and save latest git commit hash
 cd $ZAPDOS_DIR
 git checkout master
-DOCKERFILE_HASH=$(cat Dockerfile | grep "FROM idaholab/moose:" | cut -d: -f2)
 ZAPDOS_MASTER_HASH=$(git rev-parse master)
 
 # Get MOOSE submodule hash and compare to Dockerfile to make sure it has been updated
 git submodule update --init moose
 cd moose
 MOOSE_HASH=$(git rev-parse HEAD)
 
-if [[ ! $DOCKERFILE_HASH == $MOOSE_HASH ]]; then
-  echo ""
-  echo "ERROR: Dockerfile has not been updated to be consistent with the MOOSE submodule!"
-  echo "       Aborting docker build!"
-  exit 1
-fi
+cd $ZAPDOS_DIR/scripts
 
-cd $ZAPDOS_DIR
+# Use sed to find and replace MOOSE submodule hash into Dockerfile
+sed -i '' "s/{{MOOSE_HASH}}/$MOOSE_HASH/g" Dockerfile
 
 # Build docker container and tag it with master git hash
 docker build -t shannonlab/zapdos:"$ZAPDOS_MASTER_HASH" . || exit $?
 
 # Retag newly built container to make a second one with the tag "latest"
 docker tag shannonlab/zapdos:"$ZAPDOS_MASTER_HASH" shannonlab/zapdos:latest
 
+# Restore Dockerfile to un-modified state so that branch is clean
+git restore Dockerfile
+
 # Push both containers to Docker Hub, if enabled. If not, display a notice to the screen with more info
 if [[ $PUSH == 1 ]]; then
   docker push shannonlab/zapdos:$ZAPDOS_MASTER_HASH