diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..6d37d5c
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+*
+!src
+!static
+!templates
+!requirements.txt
diff --git a/Makefile b/Makefile
index e2d5212..4cb0037 100644
--- a/Makefile
+++ b/Makefile
@@ -26,6 +26,11 @@ dev: requirements.txt ## Starts a development webserver.
 	export PYTHONPATH="${PYTHONPATH}:src"
 	python3 src/mastodon_toot_follower/server/flask_server.py
 
+.PHONY: docker-image
+docker-image: ## Builds the mastodon-toot-follower:latest Docker image.
+	sudo docker build --pull \
+      --tag mastodon-toot-follower:latest .
+
 .PHONY: cli
 cli: requirements.txt ## Runs the commandline version.
 	source venv/bin/activate