alpine: remove hard coded version

diff --git a/Dockerfile-alpine b/Dockerfile-alpine
index 8a266f101de8f2646c5c2726d84563c226cda775..caac826ef2117738a55c1cfe69dc0bde54f443d8 100644 (file)
--- a/Dockerfile-alpine
+++ b/Dockerfile-alpine
@@ -3,8 +3,7 @@ LABEL maintainer "Shuanglei Tao - tsl0922@gmail.com" \
     maintainer "Damien Duportal - damien.duportal@gmail.com"
 
 ENV GLIBC_VERSION=2.25-r0 \
-    LIBWEBSOCKETS_VERSION=2.1.1 \
-    TTYD_VERSION=1.3.0
+    LIBWEBSOCKETS_VERSION=2.1.1
 
 RUN apk add --update --no-cache \
         bash \
@@ -27,7 +26,7 @@ RUN apk add --update --no-cache \
     && apk add --no-cache "glibc-${GLIBC_VERSION}.apk" \
     && git clone --depth=1 -b "v${LIBWEBSOCKETS_VERSION}" https://github.com/warmcat/libwebsockets.git \
         /tmp/libwebsockets \
-    && git clone --depth=1 -b "${TTYD_VERSION}" https://github.com/tsl0922/ttyd.git \
+    && git clone --depth=1 https://github.com/tsl0922/ttyd.git \
         /tmp/ttyd \
     && mkdir -p /tmp/ttyd/build /tmp/libwebsockets/build \
     && cd /tmp/libwebsockets/build \