Pin Docker image vilsol/ffmpeg-alpine:latest

vilsol/ffmpeg-alpine
->
vilsol/ffmpeg-alpine:latest@sha256:eb89de73d292f8b8fdffcba0f65caf13e3760300904a1192cd92d5b34e05ba05

[atomist:generated]
[atomist-skill:atomist/docker-base-image-policy]

Author: atomist-bot

Dockerfile

@@ -14,7 +14,7 @@ COPY . .
 
 RUN GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o /transcoder main.go
 
-FROM vilsol/ffmpeg-alpine as ffmpeg
+FROM vilsol/ffmpeg-alpine:latest@sha256:eb89de73d292f8b8fdffcba0f65caf13e3760300904a1192cd92d5b34e05ba05 as ffmpeg
 
 FROM alpine:edge