Update Dockerfile logic

.dockerignore

@@ -1,29 +1,12 @@
-**/__pycache__
-**/.venv
-**/.classpath
-**/.dockerignore
-**/.env
-**/.git
-**/.gitignore
-**/.project
-**/.settings
-**/.toolstarget
-**/.vs
-**/.vscode
-**/*.*proj.user
-**/*.dbmdl
-**/*.jfm
-**/bin
-**/charts
-**/docker-compose*
-**/compose*
-**/Dockerfile*
-**/node_modules
-**/npm-debug.log
-**/obj
-**/secrets.dev.yaml
-**/values.dev.yaml
-README.md
-
-
-data
+# Exclude everything
+*
+
+# Include what we need
+!app
+!migrations
+!tests
+!.flaskenv
+!boot.sh
+!config.py
+!nopaque.py
+!requirements.txt