Add Download to Dockerfile for more transparency

.drone.yml

@@ -4,14 +4,13 @@ type: docker
 name: default
 
 steps:
-- name: build
+- name: Build Dockerfile
   image: alpine
   commands:
-    - apk update && apk add bash grep sed curl unzip jq
-    - chmod +x ./build.sh
+    - apk update && apk add bash curl grep jq sed
     - ./build.sh
 
-- name: docker
+- name: Build & Publish Image
   image: plugins/docker
   settings:
     repo: fbrinker/tileboard

Dockerfile

@@ -1,8 +1,15 @@
 FROM python:alpine
 LABEL maintainer="mail+docker@f-brinker.de"
 
-# Insert Tileboard
-COPY ./files/ /tileboard/
+# Install wget
+RUN  apk update \                                                                                                                                                                                                                        
+    && apk add ca-certificates wget unzip \                                                                                                                                                                                                      
+    && update-ca-certificates    
+
+# Download TileBoard
+RUN wget -q -O release.zip "%RELEASE_URL%" \
+    && unzip release.zip -d /tileboard/ \
+    && rm release.zip
 
 # Start Server
 WORKDIR /tileboard

build.sh

@@ -9,13 +9,12 @@ getVersionFromLatestRelease() {
     echo "$version"
 }
 
-downloadLatestRelease() {
+getDownloadUrl() {
     url=`curl -s "https://api.github.com/repos/resoai/TileBoard/releases/latest" \
         | grep "browser_download_url" \
         | cut -d '"' -f 4`
-    echo "Url: $url"
     
-    curl -sL -o $1 ${url}
+    echo "$url"
 }
 
 getLatestPublishedTag() {
@@ -32,7 +31,7 @@ if [ "$LATEST_RELEASE" = "$LATEST_TAG" ]; then
     echo "Nothing to do. Versions already match."
     echo "Release: $LATEST_RELEASE"
     echo "Tag: $LATEST_TAG"
-    exit 78 # drone.io exit code to stop but success the pipeline
+    #exit 78 # drone.io exit code to stop but success the pipeline
 fi
 
 SEMVER=( ${LATEST_RELEASE//./ } )
@@ -42,21 +41,7 @@ PATCH=$LATEST_RELEASE
 
 echo "latest,$MAJOR,$MINOR,$PATCH" > .tags
 
-downloadLatestRelease "files.zip"
+RELEASE_URL=`getDownloadUrl`
 
-if [ ! -f "./files.zip" ]; then
-    echo "Download ./files.zip does not exist"
-    exit 1
-fi
-
-unzip files.zip -d files
-
-if [ ! -d "./files" ]; then
-    echo "Directory ./files does not exist"
-    exit 1
-fi
-
-if [ ! -f "./files/index.html" ]; then
-    echo "File ./files/index.html does not exist"
-    exit 1
-fi
+echo "Writing $RELEASE_URL into Dockerfile..."
+sed -i "s|%RELEASE_URL%|$RELEASE_URL|g" ./Dockerfile