From 309d912985a2efba31a6287cf7f98065c48dab54 Mon Sep 17 00:00:00 2001
From: Kenson Man <kenson@kenson.idv.hk>
Date: Fri, 27 May 2022 12:47:19 +0100
Subject: [PATCH] Change the Docker base image from python:3-slim to
 python:3-alpine.

The final image will be ~79.6MB instead of 163MB. It has 48% smaller.
---
 .dockerignore |  1 +
 Dockerfile    | 16 +++++++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)
 create mode 100644 .dockerignore

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..6b8710a7
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+.git
diff --git a/Dockerfile b/Dockerfile
index 38dd2e08..cbf7f71e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,17 @@
-FROM python:3.7-slim
+FROM python:3-alpine
+
+LABEL maintainer='<author>'
+LABEL version='0.0.0-dev.0-build.0'
+
 ADD . /code
 WORKDIR /code
 RUN \
-  groupadd -r webssh && \
-  useradd -r -s /bin/false -g webssh webssh && \
-  chown -R webssh:webssh /code && \
-  pip install -r requirements.txt
+  apk add --no-cache libc-dev libffi-dev gcc && \
+  pip install -r requirements.txt --no-cache-dir && \
+  apk del gcc libc-dev libffi-dev && \
+  addgroup webssh && \
+  adduser -Ss /bin/false -g webssh webssh && \
+  chown -R webssh:webssh /code
 
 EXPOSE 8888/tcp
 USER webssh