Updates Makefile to clean up containers

Author: gdavison

GNUmakefile

@@ -74,15 +74,15 @@ docs-lint:
 		echo "Unexpected misspelling found in docs files."; \
 		echo "To automatically fix the misspelling, run 'make docs-lint-fix' and commit the changes."; \
 		exit 1)
-	@docker run -v $(PWD):/markdown 06kellyjac/markdownlint-cli docs/ || (echo; \
+	@docker run --rm -v $(PWD):/markdown 06kellyjac/markdownlint-cli docs/ || (echo; \
 		echo "Unexpected issues found in docs Markdown files."; \
 		echo "To apply any automatic fixes, run 'make docs-lint-fix' and commit the changes."; \
 		exit 1)
 
 docs-lint-fix:
 	@echo "==> Applying automatic docs linter fixes..."
 	@misspell -w -source=text docs/
-	@docker run -v $(PWD):/markdown 06kellyjac/markdownlint-cli --fix docs/
+	@docker run --rm -v $(PWD):/markdown 06kellyjac/markdownlint-cli --fix docs/
 
 docscheck:
 	@tfproviderdocs check \
@@ -155,7 +155,7 @@ website-lint:
 		echo "Unexpected mispelling found in website files."; \
 		echo "To automatically fix the misspelling, run 'make website-lint-fix' and commit the changes."; \
 		exit 1)
-	@docker run -v $(PWD):/markdown 06kellyjac/markdownlint-cli website/docs/ || (echo; \
+	@docker run --rm -v $(PWD):/markdown 06kellyjac/markdownlint-cli website/docs/ || (echo; \
 		echo "Unexpected issues found in website Markdown files."; \
 		echo "To apply any automatic fixes, run 'make website-lint-fix' and commit the changes."; \
 		exit 1)
@@ -168,7 +168,7 @@ website-lint:
 website-lint-fix:
 	@echo "==> Applying automatic website linter fixes..."
 	@misspell -w -source=text website/
-	@docker run -v $(PWD):/markdown 06kellyjac/markdownlint-cli --fix website/docs/
+	@docker run --rm -v $(PWD):/markdown 06kellyjac/markdownlint-cli --fix website/docs/
 	@terrafmt fmt ./website --pattern '*.markdown'
 
 semgrep: