fix

Dockerfile

@@ -1,5 +1,5 @@
 ## lint image
-FROM golangci/golangci-lint@sha256:9ae3767101cd3468cdaea5b6573dadb358013e05ac38abe37d53646680fd386c AS linter
+FROM golangci/golangci-lint:v1.50.1
 
 RUN mkdir -p /build
 WORKDIR /build
@@ -7,7 +7,7 @@ COPY ./ ./
 RUN golangci-lint run
 
 ## build image:
-FROM golang:1.15-buster AS builder
+FROM golang:1.19.3-bullseye AS builder
 
 RUN apt update && apt install -y make bzip2
 
@@ -25,7 +25,7 @@ RUN go mod vendor
 RUN tar -c . | bzip2 > /src.tbz2
 
 ## output image:
-FROM debian:buster-slim AS final
+FROM debian:bullseye-slim AS final
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /build/httpd /app/httpd
 COPY --from=builder /src.tbz2 /usr/local/src/src.tbz2