diff --git a/Containerfile b/Containerfile
new file mode 100644
index 0000000..2e7f91f
--- /dev/null
+++ b/Containerfile
@@ -0,0 +1,13 @@
+FROM docker.io/alpine:3.13
+
+RUN apk add --no-cache openssh-client make git bash coreutils diffutils
+
+RUN echo "https://alpine.sutty.nl/alpine/v3.13/sutty" >> "/etc/apk/repositories" && \
+    wget https://alpine.sutty.nl/alpine/sutty.pub -O "/etc/apk/keys/alpine@sutty.nl-5ea884cd.rsa.pub"
+
+COPY packages /root/packages
+
+RUN apk add --no-cache $(cat "/root/packages" | tr "\n" " ")
+RUN sed -re "s/#(@platforms = )/\1/" -i "/usr/lib/ruby/2.7.0/rubygems.rb"
+
+COPY .gemrc /root/.gemrc