diff --git a/docker_ci/Dockerfile.tox b/docker_ci/Dockerfile.tox
new file mode 100644
index 00000000..ea7f7685
--- /dev/null
+++ b/docker_ci/Dockerfile.tox
@@ -0,0 +1,8 @@
+FROM alpine:3.13
+
+LABEL maintainer="otthorn@crans.org"
+LABEL description="Alpine image with tox \
+installed for linting purposes"
+
+RUN apk --no-cache add py3-pip=20.3.4-r0
+RUN pip install --no-cache-dir tox==3.22.0