Remove need to run invoke update after docker pull

contrib/container/Dockerfile

@@ -117,6 +117,9 @@ COPY src ${INVENTREE_HOME}/src
 COPY tasks.py ${INVENTREE_HOME}/tasks.py
 RUN cd ${INVENTREE_HOME} && inv frontend-compile
 
+COPY contrib/container/execute.sh ${INVENTREE_HOME}/execute.sh
+RUN chmod +x ${INVENTREE_HOME}/execute.sh
+
 # InvenTree production image:
 # - Copies required files from local directory
 # - Starts a gunicorn webserver

contrib/container/execute.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# File to check existence
+db_version_old="${INVENTREE_HOME}/db_version.old"
+new_version="$(python3 ${INVENTREE_HOME}/.github/scripts/version_check.py only_version)"
+
+# Check if the file exists
+if [ ! -e "$db_version_old" ]; then
+    echo "New Installation DB is getting initialised"
+    # Run setup command
+    invoke update || exit 2
+
+    echo "Setup command completed."
+    echo "$new_version" > "$db_version_old"
+fi
+old_version=$(cat "$db_version_old")
+echo "old version $old_version"
+echo "new version $new_version"
+# Number to compare (replace with your actual value)
+
+# Check if the stored version is smaller than new one
+if [ "$(awk -v num1=$new_version -v num2=$old_version 'BEGIN { print (num1 < num2) }')" -eq 1 ]; then
+    echo "Error: Downgrade of version is not allowed."
+    echo "Old DB version was $old_version, and the new version is $new_version"
+    exit 1
+fi
+
+if [ "$(awk -v num1=$old_version -v num2=$new_version 'BEGIN { print (num1 < num2) }')" -eq 1 ]; then
+    echo "DB upgrade available: Version was $old_version, new version is $new_version"
+
+    # Run update command
+    invoke update || exit 2
+
+    echo "Update successful"
+
+    # Write the the new version to the old version file after update
+    echo "$new_version" > "$db_version_old"
+fi
+
+echo "Database migration/update checks completed."

contrib/container/init.sh

@@ -52,5 +52,11 @@ fi
 
 cd ${INVENTREE_HOME}
 
+# Check for database updates
+if($2 == 'server') then
+    echo "Running database update checks"
+    source ./execute.sh
+fi
+
 # Launch the CMD *after* the ENTRYPOINT completes
 exec "$@"