shared cache

.drone.yml

@@ -0,0 +1,18 @@
+pipeline:
+ docker:
+    image: plugins/docker
+    repo: repo.shimun.net/shimun/sauerbraten
+    registry: repo.shimun.net
+    secrets: ["docker_username", "docker_password"]
+    storage_path: /drone/cache/docker
+    use_cache: true
+ docker-p:
+    image: plugins/docker
+    repo: repo.shimun.net/sauerbraten
+    registry: repo.shimun.net
+    secrets: ["docker_username", "docker_password"]
+    use_cache: true
+    storage_path: /drone/cache/docker
+    squash: true
+    when:
+      event: tag

Dockerfile

@@ -1,11 +1,18 @@
-FROM debian:stretch
-
-RUN apt-get update && apt-get install zlib1g-dev libgeoip-dev build-essential -y
+FROM frolvlad/alpine-glibc
 
 COPY src /usr/src/sauerbraten
 
-WORKDIR /usr/src/sauerbraten
+RUN apk add --no-cache zlib geoip libstdc++
 
-RUN make -C src install_server
+ENV BUILD_DEPS="zlib-dev geoip-dev alpine-sdk"
 
-ENTRYPOINT /usr/src/sauerbraten/bin_unix/native_server
+RUN apk add --no-cache $BUILD_DEPS && cd /usr/src/sauerbraten && \
+    make -C src install_server && \
+    cp /usr/src/sauerbraten/bin_unix/native_server /usr/bin/sauerbraten-server && \
+    apk del --no-cache $BUILD_DEPS && rm -rf /usr/src/sauerbraten
+
+EXPOSE 28785 28786 28785/udp 28786/udp
+
+ENTRYPOINT /usr/bin/sauerbraten-server
+
+CMD ["-d1", "-c18", "-g2"]