disable CGO

Dockerfile

@@ -3,7 +3,7 @@ FROM golang:alpine AS builder
 WORKDIR /src
 COPY . /src
 
-RUN go build -v -ldflags '-w -s -buildid=' -trimpath \
+RUN CGO_ENABLED=0 go build -v -ldflags '-w -s -buildid=' -trimpath \
     -o javtube-server cmd/server/main.go
 
 FROM alpine:latest