From f45d9060c172c91b5df5aace9e6cd27392ea036a Mon Sep 17 00:00:00 2001
From: Patrick Hoefler <61934744+phofl@users.noreply.github.com>
Date: Fri, 19 Aug 2022 18:29:49 +0200
Subject: [PATCH] Backport PR #48143: CI: Switch to mambaforge as  base image
 for Docker ENV build

---
 Dockerfile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 2923cd60cc53b..32714c57fe857 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/condaforge/miniforge3:4.11.0-0
+FROM quay.io/condaforge/mambaforge
 
 # if you forked pandas, you can pass in your own GitHub username to use your fork
 # i.e. gh_username=myname
@@ -35,7 +35,6 @@ RUN mkdir "$pandas_home" \
 # we just update the base/root one from the 'environment.yml' file instead of creating a new one.
 #
 # Set up environment
-RUN conda install -y mamba
 RUN mamba env update -n base -f "$pandas_home/environment.yml"
 
 # Build C extensions and pandas