add ruby to the image

2 years ago · af6820dd49
parent 7e867a38b4
commit af6820dd49
1 changed files with 4 additions and 0 deletions
--- a/4
+++ b/4
@ -3,6 +3,10 @@ FROM python:3
 RUN curl -L https://github.com/hadolint/hadolint/releases/download/v2.10.0/hadolint-Linux-x86_64 > /usr/local/bin/hadolint \
    && chmod +x /usr/local/bin/hadolint

+RUN apt-get update \
+    && apt-get install --no-install-recommends -y ruby \
+    && rm -rf /var/lib/apt/lists/*
+
 RUN pip install --no-cache-dir pre-commit docker-compose

 RUN mkdir -p /data/pre-commit-cache