Improve Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM nimlang/nim:alpine as nim
+FROM nimlang/nim:1.6.2-alpine-regular as nim
 LABEL maintainer="setenforce@protonmail.com"
 EXPOSE 8080
 
@@ -7,13 +7,14 @@ RUN apk --no-cache add libsass-dev libffi-dev openssl-dev redis openssh-client
 COPY . /src/nitter
 WORKDIR /src/nitter
 
-RUN nimble build -y -d:release --passC:"-flto" --passL:"-flto" \
+RUN nimble build -y -d:release -d:danger --passC:"-flto" --passL:"-flto" \
     && strip -s nitter \
     && nimble scss
 
 FROM alpine:latest
 WORKDIR /src/
 RUN apk --no-cache add pcre sqlite
-COPY --from=nim /src/nitter/nitter /src/nitter/nitter.example.conf ./nitter.conf
+COPY --from=nim /src/nitter/nitter ./
+COPY --from=nim /src/nitter/nitter.example.conf ./nitter.conf
 COPY --from=nim /src/nitter/public ./public
 CMD ./nitter