update readme
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		@@ -22,20 +22,27 @@ pip freeze > requirements.txt
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```
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					```
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## db cheat:
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					## db cheat:
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					After db schema change:
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```
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					```
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flask db migrate -m "users table"
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					flask db migrate -m "add users table"
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flask db upgrade
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					flask db upgrade
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					```
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flask db downgrade [base]
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					Dump data if db in good state:
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					```
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					flask db downgrade base
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flask db upgrade
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					flask db upgrade
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					```
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full reset?
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					Full reset:
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					```
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rm app.db
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					rm app.db
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rm -r migrations
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					rm -r migrations
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flask db init
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					flask db init
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flask db migrate
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					flask db migrate
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flask db upgrade
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					flask db upgrade
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```
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					```
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## build notes:
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					## build notes:
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Dockerfile needs dockerignore or preferably explicitly defined copies for:
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					Dockerfile needs dockerignore or preferably explicitly defined copies for:
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