Add Alembic to project for database migrations

Makefile

@@ -2,9 +2,17 @@
 DOCKER_COMPOSE = docker-compose
 DOCKER_RUN = $(DOCKER_COMPOSE) run --rm backend
 
+
+# General
+# -------
+
 # Default target
-.PHONY: all
-all: docker-up
+.PHONY: up
+up: docker-up
+
+# Shortcut for first start (initializing database, etc.)
+.PHONY: first-start
+first-start: docker-build db-upgrade docker-up
 
 
 # Container management
@@ -16,7 +24,7 @@ docker-up:
 
 .PHONY: docker-down
 docker-down:
-	$(DOCKER_COMPOSE) down
+	$(DOCKER_COMPOSE) down --remove-orphans
 
 .PHONY: docker-build
 docker-build:
@@ -28,7 +36,7 @@ docker-rebuild:
 
 .PHONY: docker-purge
 docker-purge:
-	$(DOCKER_COMPOSE) down --volumes
+	$(DOCKER_COMPOSE) down --remove-orphans --volumes
 
 .PHONY: docker-restart
 docker-restart:
@@ -45,3 +53,23 @@ docker-run:
 .PHONY: docker-shell
 docker-shell:
 	$(DOCKER_RUN) bash
+
+
+# Database management
+# -------------------
+
+# Run migrations to upgrade the database to the head revision (set REVISION parameter to override)
+.PHONY: db-upgrade
+db-upgrade:
+	$(DOCKER_RUN) alembic upgrade $(or $(REVISION),head)
+
+# Run migrations to downgrade the database to the previous revision (set REVISION parameter to override)
+.PHONY: db-downgrade
+db-downgrade:
+	$(DOCKER_RUN) alembic downgrade $(or $(REVISION),-1)
+
+# Autogenerate a revision for database migration (requires MESSAGE parameter to set the revision message)
+.PHONY: db-generate-migration
+db-generate-migration:
+	@test -n "$(MESSAGE)" || (echo "Please set the revision message: make db-generate-migration MESSAGE=\"...\""; exit 1)
+	$(DOCKER_RUN) alembic revision --autogenerate -m "$(MESSAGE)"