Use static version number

Dockerfile

@@ -1,6 +1,9 @@
 FROM alpine:3.2
 MAINTAINER Chris Kankiewicz <Chris@ChrisKankiewicz.com>
 
+# Define Mumble version
+ENV MUMBLE_VERSION 1.2.12
+
 # Create Mumble directories
 ENV MUMBLE_DIR  /opt/mumble
 ENV CONFIG_DIR  /srv/mumble
@@ -15,12 +18,11 @@ COPY files/update-pw ${SCRIPTS_DIR}/update-pw
 RUN chmod +x ${SCRIPTS_DIR}/update-pw
 
 # Install dependencies
-RUN apk add --update ca-certificates bzip2 jq tar wget \
+RUN apk add --update ca-certificates bzip2 tar wget \
     && rm -rf /var/cache/apk/*
 
 # Download and extract Mumble
-RUN MUMBLE_VERSION=$(wget -qO- https://api.github.com/repos/mumble-voip/mumble/releases | jq -r '.[0].tag_name') \
-    && wget -qO- https://github.com/mumble-voip/mumble/releases/download/${MUMBLE_VERSION}/murmur-static_x86-${MUMBLE_VERSION}.tar.bz2 \
+RUN wget -qO- https://github.com/mumble-voip/mumble/releases/download/${MUMBLE_VERSION}/murmur-static_x86-${MUMBLE_VERSION}.tar.bz2 \
     | tar -xjv --strip-components=1 -C ${MUMBLE_DIR}
 
 # Expose ports

build.sh

@@ -7,8 +7,11 @@ IMAGE_NAME="phlak/mumble"
 # Set script directory path
 SCRIPT_DIR="$(dirname $(readlink -f ${0}))"
 
+# Set image tag
+TAG="$(grep 'ENV MUMBLE_VERSION' Dockerfile | awk '{print $3}')"
+
 # Build the image
-docker build --force-rm --pull --tag ${IMAGE_NAME}:local ${SCRIPT_DIR}
+docker build --force-rm --pull --tag ${IMAGE_NAME}:${TAG} ${SCRIPT_DIR}
 
 # Notify user of success
-echo "Sucessfully created image: ${IMAGE_NAME}:local"
+echo "Sucessfully created image: ${IMAGE_NAME}:${TAG}"