From c4c7d5674aaf364f6c16c8c2e083ff2e8cdceb30 Mon Sep 17 00:00:00 2001
From: greenknot <43061872+greenknot@users.noreply.github.com>
Date: Tue, 26 Jul 2022 09:55:49 +0200
Subject: [PATCH] Dockerfile: upgrade from Ubuntu Bionic (18.04) to Focal
 (20.04) (#1242)

Dockerfile: upgrade from Ubuntu Bionic (18.04) to Focal (20.04) (#1242)
---
 Dockerfile | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 1d35709c5..369bcf865 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:focal
 
 LABEL name=slither
 LABEL src="https://github.com/trailofbits/slither"
@@ -6,11 +6,12 @@ LABEL creator=trailofbits
 LABEL dockerfile_maintenance=trailofbits
 LABEL desc="Static Analyzer for Solidity"
 
-RUN apt-get update \
-  && apt-get upgrade -y \
-  && apt-get install -y git python3 python3-setuptools wget software-properties-common
+RUN export DEBIAN_FRONTEND=noninteractive \
+  && apt-get update \
+  && apt-get upgrade -yq \
+  && apt-get install -yq gcc git python3 python3-dev python3-setuptools wget software-properties-common
 
-RUN wget https://github.com/ethereum/solidity/releases/download/v0.4.25/solc-static-linux \
+RUN wget -q https://github.com/ethereum/solidity/releases/download/v0.4.25/solc-static-linux \
  && chmod +x solc-static-linux \
  && mv solc-static-linux /usr/bin/solc