If some images are missing, only the missing images are build

diff --git a/README.sh b/README.sh
index 9301219..0f23296 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -32,24 +32,70 @@ if [[
   "$1" = "build"
 ]]
 then
-  mvn clean package || exit
-  docker compose rm -svf recorder users splitter counter top10 query
+  docker compose rm -svf bart riddler nerd recorder users splitter counter top10 query
+fi
+
+if [[ $(docker image ls -q $FORTUNE) == "" || "$1" = "build" ]]
+then
+  echo "Building image $FORTUNE"
   ( cd fortune; ./README.sh $FORTUNE; )
-  mvn -f recorder/pom.xml docker:build
-  mvn -f users/pom.xml docker:build
-  mvn -f splitter/pom.xml docker:build
-  mvn -f counter/pom.xml docker:build
-  mvn -f top10/pom.xml docker:build
-  mvn -f query/pom.xml docker:build
 else
-  echo "Using existing images:"
-  docker image ls $FORTUNE
-  docker image ls $RECORDER
-  docker image ls $USERS
-  docker image ls $SPLITTER
-  docker image ls $COUNTER
-  docker image ls $TOP10
-  docker image ls $QUERY
+  echo -n "Using existing image for $FORTUNE: "
+  docker image ls --format json $FORTUNE | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $RECORDER) == "" || "$1" = "build" ]]
+then
+  echo "Building image $RECORDER"
+  mvn -f recorder/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $RECORDER: "
+  docker image ls --format json $RECORDER | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $USERS) == "" || "$1" = "build" ]]
+then
+  echo "Building image $USERS"
+  mvn -f users/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $USERS: "
+  docker image ls --format json $USERS | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $SPLITTER) == "" || "$1" = "build" ]]
+then
+  echo "Building image $SPLITTER"
+  mvn -f splitter/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $SPLITTER: "
+  docker image ls --format json $SPLITTER | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $COUNTER) == "" || "$1" = "build" ]]
+then
+  echo "Building image $COUNTER"
+  mvn -f counter/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $COUNTER: "
+  docker image ls --format json $COUNTER | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $TOP10) == "" || "$1" = "build" ]]
+then
+  echo "Building image $TOP10"
+  mvn -f top10/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $TOP10: "
+  docker image ls --format json $TOP10 | jq -r '(.ID + " - " + .CreatedSince)'
+fi
+
+if [[ $(docker image ls -q $QUERY) == "" || "$1" = "build" ]]
+then
+  echo "Building image $QUERY"
+  mvn -f query/pom.xml clean package docker:build
+else
+  echo -n "Using existing image for $QUERY: "
+  docker image ls --format json $QUERY | jq -r '(.ID + " - " + .CreatedSince)'
 fi