From fff5bc8fd85ab7fdbb9b73b15a0eae36a8293cf0 Mon Sep 17 00:00:00 2001
From: Checker8763 <39644556+Checker8763@users.noreply.github.com>
Date: Sat, 17 May 2025 19:48:31 +0200
Subject: [PATCH] Update Dockerfile

- introduced build stage to make repo and dockerfile sufficient to build
- fixed version to at least python3
- used the slim python image variant for size reduction
---
 docker/Dockerfile | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 1ae078b..3152809 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,9 +1,17 @@
-FROM python
+FROM python:3-slim AS builder
 
-COPY websockify-*.tar.gz /
+WORKDIR /build/websockify
 
-RUN python3 -m pip install websockify-*.tar.gz
-RUN rm -rf /websockify-* /root/.cache
+COPY ./* /build/websockify
+
+RUN pip3 install setuptools && \
+    python3 setup.py sdist --dist-dir docker/
+
+# Actual final image
+FROM python:3-slim
+COPY --from=builder /build/websockify/websockify-*.tar.gz /
+RUN python3 -m pip install websockify-*.tar.gz && \
+  rm -rf /websockify-* /root/.cache
 
 VOLUME /data