Docker: add ca-certificates

Author: hatamiarash7

Dockerfile

@@ -20,6 +20,8 @@ RUN set -x \
     && go version \
     && CGO_ENABLED=0 go build -trimpath -ldflags "$LDFLAGS" -o /src/cdn-uncompress cmd/*.go
 
+RUN apk add -U --no-cache ca-certificates
+
 ##################################### Compression #####################################
 
 FROM hatamiarash7/upx:latest as upx
@@ -48,4 +50,6 @@ LABEL \
 
 COPY --from=upx /cdn /cdn
 
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
 ENTRYPOINT ["/cdn"]