updated goreleaser and docker images

Author: cjimti

dockerfiles/amd64/Dockerfile

@@ -1,6 +1,5 @@
-FROM alpine:3.7
+FROM alpine:3.9
 RUN apk --no-cache add ca-certificates
-RUN apk update && apk add rsync
 COPY rxtx /
 WORKDIR /
 ENTRYPOINT ["/rxtx"]

dockerfiles/arm32v6/Dockerfile

@@ -1,6 +1,5 @@
-FROM arm32v6/alpine:3.7
+FROM arm32v6/alpine:3.9
 RUN apk --no-cache add ca-certificates
-RUN apk update && apk add rsync
 COPY rxtx /
 WORKDIR /
 ENTRYPOINT ["/rxtx"]

goreleaser.yml

@@ -46,21 +46,22 @@ dockers:
     goos: linux
     goarch: amd64
     goarm: ''
-    binary: rxtx
-    image: txn2/rxtx
+    binaries:
+      - rxtx
+    image_templates:
+      - 'txn2/rxtx:latest'
+      - 'txn2/rxtx:{{ .Version }}'
     dockerfile: dockerfiles/amd64/Dockerfile
-    tag_templates:
-    - latest
-    - "{{ .Version }}"
   -
     goos: linux
     goarch: arm
     goarm: 6
-    binary: rxtx
-    image: txn2/rxtx
+    binaries:
+      - rxtx
+    image_templates:
+      - 'txn2/rxtx:latest'
+      - 'txn2/rxtx:{{ .Version }}'
     dockerfile: dockerfiles/arm32v6/Dockerfile
-    tag_templates:
-    - "arm32v6-{{ .Version }}"
 
 brew:
   name: rxtx
@@ -77,4 +78,4 @@ brew:
 
   homepage: https://github.com/txn2/rxtx
 
-  description: "Data queuing and transmission."
+  description: "Data queuing, batching and re-transmission."