add catatonit as init process

Author: gi8lino

Dockerfile

@@ -22,7 +22,7 @@ ARG COREUTILS_VERSION=9.5-r1
 ARG GETTEXT_VERSION=0.22.5-r0
 
 # renovate: datasource=repology depName=alpine_3_20/openssl
-ARG OPENSSL_VERSION=3.3.2-r0
+ARG OPENSSL_VERSION=3.3.2-r1
 
 # renovate: datasource=repology depName=alpine_3_20/xmlstarlet
 ARG XMLSTARLET_VERSION=1.6.1-r2
@@ -36,6 +36,9 @@ ARG BIND_TOOLS_VERSION=9.18.27-r0
 # renovate: datasource=repology depName=alpine_3_20/inetutils-telnet
 ARG INETUTILS_VERSION=2.5-r0
 
+# renovate: datasource=github-tags depName=openSUSE/catatonit extractVersion=^v(?<version>.*)$
+ARG CATATONIT_VERSION=0.2.0
+
 RUN apk add --no-cache \
   bash==${BASH_VERSION} \
   curl==${CURL_VERSION} \
@@ -50,5 +53,14 @@ RUN apk add --no-cache \
   inetutils-telnet==${INETUTILS_VERSION} \
   && rm -rf /var/cache/apk/*
 
+# download and install yq from GitHub
 RUN wget -O /usr/local/bin/yq https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 && \
   chmod +x /usr/local/bin/yq
+
+# download and install catatonit from GitHub
+ADD https://github.com/openSUSE/catatonit/releases/download/v${CATATONIT_VERSION}/catatonit.x86_64 /usr/bin/catatonit
+RUN chmod +x /usr/bin/catatonit
+
+ENTRYPOINT ["/usr/bin/catatonit", "--"]
+CMD [ "-P" ]
+

README.md

@@ -4,6 +4,7 @@ alpine linux (3.20.0) with following components:
 
 - bash (5.2.26-r0)
 - bind-tools (9.18.24-r1)
+- catatonit (v0.2.0)
 - coreutils (9.5-r1)
 - curl (8.10.1-r0)
 - gettext (0.22.5-r0)