Merge pull request #32 from alphagov/samsimpson1/diff-gen-node

Update nodejs to 18 in diff-generator image

diff-generator/Dockerfile

@@ -1,8 +1,11 @@
 FROM public.ecr.aws/lts/ubuntu:22.04_stable
 
-RUN apt update && \
-  apt install -y --no-install-recommends python3 python3-pip npm && \
-  rm -r /var/lib/apt/lists /var/cache/apt/archives && \
+RUN apt update; apt install -y curl gpg; \
+  curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor > /usr/share/keyrings/nodesource.gpg;  \
+  echo "deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x jammy main" | tee /etc/apt/sources.list.d/nodesource.list; \
+  apt update; \
+  apt install -y --no-install-recommends python3 python3-pip nodejs; \
+  rm -r /var/lib/apt/lists /var/cache/apt/archives; \
   npm install -g diff2html-cli@5
 
 WORKDIR /function