From bcb65654836caffa670a611ff7c79b0705a40c3c Mon Sep 17 00:00:00 2001
From: Buckaroo Banzai <39065740+BuckarooBanzay@users.noreply.github.com>
Date: Tue, 7 Sep 2021 15:29:57 +0200
Subject: Add missing zstd-libs to final Docker image

Also add `minetestserver --version` command to verify docker build in CI
---
 .github/workflows/build.yml | 3 ++-
 Dockerfile                  | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 98b1ffe8a..417b4f650 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -180,7 +180,8 @@ jobs:
       - uses: actions/checkout@v2
       - name: Build docker image
         run: |
-          docker build .
+          docker build . -t minetest:latest
+          docker run --rm minetest:latest /usr/local/bin/minetestserver --version
 
   win32:
     name: "MinGW cross-compiler (32-bit)"
diff --git a/Dockerfile b/Dockerfile
index 481dab237..8d1008fa2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,7 +57,7 @@ RUN mkdir build && \
 ARG DOCKER_IMAGE=alpine:3.14
 FROM $DOCKER_IMAGE AS runtime
 
-RUN apk add --no-cache sqlite-libs curl gmp libstdc++ libgcc libpq luajit jsoncpp && \
+RUN apk add --no-cache sqlite-libs curl gmp libstdc++ libgcc libpq luajit jsoncpp zstd-libs && \
 	adduser -D minetest --uid 30000 -h /var/lib/minetest && \
 	chown -R minetest:minetest /var/lib/minetest
 
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