fix version template

Dockerfile

@@ -6,7 +6,7 @@ RUN apt update && \
 
 COPY . /taiko-web
 WORKDIR /taiko-web
-RUN git log -1 --pretty="format:{\"commit\": \"%H\", \"commit_short\": \"%h\", \"version\": \"TAIKO_VERSION\", \"url\": \"TAIKO_GIT_URL\"}" > ./version.json
+RUN git log -1 --pretty="format:{\"commit\": \"%H\", \"commit_short\": \"%h\", \"version\": \"\${TAIKO_VERSION}\", \"url\": \"\${TAIKO_GIT_URL}\"}" > ./version-template.json
 
 FROM node:buster-slim
 

docker/entrypoint.sh

@@ -6,8 +6,6 @@ if [ -z $TAIKO_ASSETS_URL ]; then
 	export TAIKO_ASSETS_URL=$TAIKO_URL/assets/
 fi
 echo "{\"songs_baseurl\":\"$TAIKO_SONGS_URL\",\"assets_baseurl\":\"$TAIKO_ASSETS_URL\",\"multiplayer_baseurl\":\"$TAIKO_MULTIPLAYER_URL\",\"email\":\"$TAIKO_EMAIL\",\"redis_host\":\"$TAIKO_REDIS_HOST\",\"redis_port\":$TAIKO_REDIS_PORT,\"redis_password\":\"$TAIKO_REDIS_PASSWORD\",\"redis_db\":$TAIKO_REDIS_DB,\"git_url\":\"$TAIKO_GIT_URL\"}" | tee ./config.json
-sed -i	-e "s#TAIKO_GIT_URL#$TAIKO_GIT_URL#g" && \
- 		-e "s#TAIKO_VERSION#$TAIKO_VERSION#g" ./version.json
-cat version.json
+envsubst < version-template.json | tee version.json
 
 pm2-docker start ./docker/pm2-docker.json