Added a Makefile for basic Docker image release

Makefile

@@ -0,0 +1,24 @@
+DOCKER_IMAGE_NAME = zbe
+DOCKER_CONTAINER_NAME = zbe
+DOCKER_GHCR_IMAGE_NAME = ghcr.io/nighthawk-apps/zcash-explorer
+
+.PHONY: docker_build docker_run docker_clean docker_publish
+
+# Build the Docker image
+docker_build:
+	docker build -t $(DOCKER_IMAGE_NAME) .
+
+# Run the Docker container
+docker_run:
+	docker run -d --name $(DOCKER_CONTAINER_NAME) $(DOCKER_IMAGE_NAME)
+
+# Clean Docker resources (stop and remove the container, remove the image)
+docker_clean:
+	-docker stop $(DOCKER_CONTAINER_NAME)
+	-docker rm $(DOCKER_CONTAINER_NAME)
+	-docker rmi $(DOCKER_IMAGE_NAME)
+
+# Publish the Docker image to GitHub Container Registry
+docker_publish:
+	docker tag $(DOCKER_IMAGE_NAME) $(DOCKER_GHCR_IMAGE_NAME)
+	docker push $(DOCKER_GHCR_IMAGE_NAME)