From d73cf70db8aadbc12d3a056fabca118b3920453b Mon Sep 17 00:00:00 2001
From: shinobi9 <68454037+shinobi9@users.noreply.github.com>
Date: Fri, 9 Jan 2026 18:10:41 +0800
Subject: [PATCH] Adding tzdata lets the application follow the TZ environment
 variable and optimizes image builds.

---
 Dockerfile | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 5265a7b..e6dd866 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,10 +9,8 @@ RUN make build
 
 FROM alpine
 
-RUN apk add openssh
-RUN mkdir /root/.ssh
-WORKDIR /root/.ssh
-RUN ssh-keygen -t rsa -C "chatkey" -f id_rsa
+RUN apk add --no-cache openssh tzdata && \
+      ssh-keygen -t rsa -C "chatkey" -f /root/.ssh/id_rsa
 
 WORKDIR /usr/local/bin