fix(deploy): postgres comes up in the project, not one directory above, and an empty service list restarts nothing; image named with dashes

template/{{ part_dir }}/Makefile.jinja

@@ -13,7 +13,7 @@
 {%- set has_script = dynamic_config and svc_modules -%}
 {%- set has_scripts = dynamic_config or 'kurigram_userbot' in backend_services -%}
 COMPOSE := {% if layout == 'part' %}cd .. && {% endif %}docker compose
-{% if svc_modules %}IMAGE := {{ project_slug }}/backend
+{% if svc_modules %}IMAGE := {{ project_slug | replace('_', '-') }}/backend
 IMAGE_INPUTS := pyproject.toml uv.lock Dockerfile
 CODE := src{% if has_scripts %} scripts{% endif %}{% if serve_spa %} ../frontend{% endif %}
 SERVICES := {{ app_services | join(' ') }}
@@ -39,13 +39,13 @@ pre-deploy:
 	@if $(call changed,refs/deploy/backend,$(IMAGE_INPUTS)) || ! docker image inspect $(IMAGE) >/dev/null 2>&1; then \
 		$(MAKE) build && $(call stamp,refs/deploy/backend) && $(call stamp,refs/deploy/backend-code); \
 	fi
-{% if database == 'postgres' %}	@$(COMPOSE) config --services | grep -qx postgres && $(COMPOSE) up -d postgres || true
+{% if database == 'postgres' %}	@if ($(COMPOSE) config --services) | grep -qx postgres; then ($(COMPOSE) up -d --wait postgres); fi
 	$(MAKE) migrate
 {% endif %}
 post-deploy:
 	@if $(call changed,refs/deploy/backend-code,$(CODE)); then \
 		running=$$($(COMPOSE) ps --services --status running | grep -x $(addprefix -e ,$(SERVICES))); \
-		[ -z "$$running" ] || $(COMPOSE) restart $$running; \
+		if [ -n "$$running" ]; then ($(COMPOSE) restart $$running); fi; \
 		$(call stamp,refs/deploy/backend-code); \
 	fi
 {% endif %}{% if layout == 'root' %}