Update Drone config into seperate pipeline

Reviewed-on: fbrinker/docker-tileboard#6

.drone.yml

@@ -1,10 +1,35 @@
 ---
 kind: pipeline
 type: docker
-name: default
+name: Production
 
 steps:
+- name: Build Dockerfile
+  image: alpine
+  commands:
+    - apk update && apk add bash curl grep jq sed
+    - ./build.sh
 
+- name: Build & Publish Image
+  image: plugins/docker
+  settings:
+    repo: fbrinker/tileboard
+    dockerfile: Dockerfile
+    username:
+      from_secret: docker_username
+    password:
+      from_secret: docker_password
+
+trigger:
+  branch:
+  - master
+
+---
+kind: pipeline
+type: docker
+name: Development
+
+steps:
 - name: Check for changes in master branch
   image: alpine
   commands:
@@ -35,21 +60,6 @@ steps:
     password:
       from_secret: docker_password
 
-- name: Prepare Release Dockerfile
-  image: alpine
-  commands:
-    - apk update && apk add bash curl grep jq sed
-    - ./build.sh
-
-- name: Build & Publish Release Image
-  image: plugins/docker
-  settings:
-    repo: fbrinker/tileboard
-    username:
-      from_secret: docker_username
-    password:
-      from_secret: docker_password
-
 trigger:
   branch:
   - master

README.md

@@ -28,7 +28,7 @@ Besides the latest version, you can listen to updates for a specific version:
   * fbrinker/tileboard:2.2.0
 
 Additionally, there are `nightly` and `dev` builds as follows:
-  * `fbrinker/tileboard:nightly` contains a nightly build of TileBoard's `master` branch. Use it to have the mode bleeding adge changes, which have not yet made it to a release version.
+  * `fbrinker/tileboard:nightly` contains a nightly build of TileBoard's `master` branch. Use it to have the most bleeding edge changes, which have not made it into a release yet.
   * `fbrinker/tileboard:dev` bundles TileBoard's source code and runs `yarn run dev` inside the container. Use it to modify the source, check your changes into GitHub and propose a pull request to TileBoard. See the TileBoard [contribution page](https://github.com/resoai/TileBoard/blob/master/CONTRIBUTING.md) for details.
 
 

build.sh

@@ -1,36 +1,40 @@
 #!/usr/bin/env bash
 
 getVersionFromLatestRelease() {
-    version=`curl -s "https://api.github.com/repos/resoai/TileBoard/releases/latest" \
+    repo="${1-resoai/TileBoard}"
+    version=`curl -s "https://api.github.com/repos/$repo/releases/latest" \
         | grep "tag_name" \
         | cut -d '"' -f 4 \
         | sed -e "s/v//"`
-    
+
     echo "$version"
 }
 
 getDownloadUrl() {
-    url=`curl -s "https://api.github.com/repos/resoai/TileBoard/releases/latest" \
+    repo="${1-resoai/TileBoard}"
+    url=`curl -s "https://api.github.com/repos/$repo/releases/latest" \
         | grep "browser_download_url" \
         | cut -d '"' -f 4`
-    
+
     echo "$url"
 }
 
-getLatestPublishedTag() {
-    latest_tag=`curl -s "https://hub.docker.com/v2/repositories/fbrinker/tileboard/tags?page_size=1" \
-        | jq -r ".results[0].name"`
-
-    echo "$latest_tag"
+docker_tag_exists() {
+    repo="${1-fbrinker/tileboard}"
+    tag="${2-latest}"
+    curl --silent -f -lSL "https://hub.docker.com/v2/repositories/$repo/tags/$tag" > /dev/null 2>&1
 }
 
-LATEST_RELEASE=`getVersionFromLatestRelease`
-LATEST_TAG=`getLatestPublishedTag`
+source_repo="${1-resoai/TileBoard}"
+docker_repo="${2-fbrinker/tileboard}"
+echo "Source repository: $source_repo."
+echo "Docker repository: $docker_repo."
 
-if [ "$LATEST_RELEASE" = "$LATEST_TAG" ]; then
-    echo "Nothing to do. Versions already match."
-    echo "Release: $LATEST_RELEASE"
-    echo "Tag: $LATEST_TAG"
+LATEST_RELEASE=`getVersionFromLatestRelease $source_repo`
+echo "Latest release is: $LATEST_RELEASE."
+
+if docker_tag_exists $docker_repo $LATEST_RELEASE; then
+    echo "Nothing to do. Latest release tag already exists."
     exit 78 # drone.io exit code to stop but success the pipeline
 fi
 
@@ -42,6 +46,7 @@ PATCH=$LATEST_RELEASE
 echo "latest,$MAJOR,$MINOR,$PATCH" > .tags
 
 RELEASE_URL=`getDownloadUrl`
+echo "URL of release is: $RELEASE_URL."
 
-echo "Writing $RELEASE_URL into Dockerfile..."
+echo "Writing release URL into Dockerfile..."
 sed -i "s|%RELEASE_URL%|$RELEASE_URL|g" ./Dockerfile