From 8e1305a3d29130a6ccbee8a767640d475b0d8e28 Mon Sep 17 00:00:00 2001
From: Pawan Dhananjay <pawandhananjay@gmail.com>
Date: Tue, 31 May 2022 06:09:12 +0000
Subject: [PATCH] Use a stable tag for ubuntu in dockerfile (#3231)

## Issue Addressed

N/A

## Proposed Changes

Use stable version of ubuntu base image in dockerfile instead of using latest. This will help in narrowing down issues with docker images.
---
 Dockerfile       | 2 +-
 Dockerfile.cross | 2 +-
 lcli/Dockerfile  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 76347e9bf..aa2853ce4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ ARG FEATURES
 ENV FEATURES $FEATURES
 RUN cd lighthouse && make
 
-FROM ubuntu:latest
+FROM ubuntu:22.04
 RUN apt-get update && apt-get -y upgrade && apt-get install -y --no-install-recommends \
   libssl-dev \
   ca-certificates \
diff --git a/Dockerfile.cross b/Dockerfile.cross
index c8bd86887..e210c5bdf 100644
--- a/Dockerfile.cross
+++ b/Dockerfile.cross
@@ -1,7 +1,7 @@
 # This image is meant to enable cross-architecture builds.
 # It assumes the lighthouse binary has already been
 # compiled for `$TARGETPLATFORM` and moved to `./bin`.
-FROM --platform=$TARGETPLATFORM ubuntu:latest
+FROM --platform=$TARGETPLATFORM ubuntu:22.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   libssl-dev \
   ca-certificates \
diff --git a/lcli/Dockerfile b/lcli/Dockerfile
index 27ec8cc86..255f96eec 100644
--- a/lcli/Dockerfile
+++ b/lcli/Dockerfile
@@ -8,6 +8,6 @@ ARG PORTABLE
 ENV PORTABLE $PORTABLE
 RUN cd lighthouse && make install-lcli
 
-FROM ubuntu:latest
+FROM ubuntu:22.04
 RUN apt-get update && apt-get -y upgrade && apt-get clean && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /usr/local/cargo/bin/lcli /usr/local/bin/lcli