FFMPEG is needed to use stream forward

.gitlab-ci.yml

@@ -6,7 +6,7 @@ unit_tests:
   image: golang:1.15-alpine
   stage: test
   before_script:
-    - apk add --no-cache build-base gcc
+    - apk add --no-cache build-base ffmpeg gcc
     - apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing libsrt-dev
   script:
     - go test -v -covermode=count -coverprofile cover.cov ./...

Dockerfile

@@ -12,6 +12,7 @@ RUN go generate && go build -o ./out/ghostream .
 # Production image
 FROM alpine:3.12
 RUN apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing libsrt
+RUN apk add ffmpeg
 COPY --from=build_base /code/out/ghostream /app/ghostream
 WORKDIR /app
 # 9710 for SRT, 8080 for Web, 2112 for monitoring and 10000-10005 (UDP) for WebRTC