docker build, static golang builds

Dockerfile

@@ -1,12 +1,14 @@
-FROM statping/statping:base AS base
-
-# Statping main Docker image that contains all required libraries
 FROM alpine:latest
-RUN apk --no-cache add libgcc libstdc++ ca-certificates curl jq && update-ca-certificates
+ARG VERSION
+ARG ARCH
 
-COPY --from=base /go/bin/statping /usr/local/bin/
-COPY --from=base /usr/local/bin/sass /usr/local/bin/
-COPY --from=base /usr/local/share/ca-certificates /usr/local/share/
+RUN apk --no-cache add curl jq libsass linux-headers ca-certificates
+
+RUN curl -L -s https://assets.statping.com/sass -o /usr/local/bin/sass && \
+    chmod +x /usr/local/bin/sass
+
+RUN curl -fsSL https://github.com/statping/statping/releases/download/v$VERSION/statping-linux-$ARCH.tar.gz -o statping.tar.gz && \
+    tar -C /usr/local/bin -xzf statping.tar.gz && rm statping.tar.gz
 
 WORKDIR /app
 
@@ -19,4 +21,3 @@ EXPOSE $PORT
 HEALTHCHECK --interval=60s --timeout=10s --retries=3 CMD curl -s "http://localhost:$PORT/health" | jq -r -e ".online==true"
 
 CMD statping --port $PORT
-