revert Dockerfile

build/package/Dockerfile

@@ -1,26 +1,24 @@
-#
-# Stage 1
-#
 FROM golang:1.14-alpine as build
+
 ENV GO111MODULE=on \
     CGO_ENABLED=0
+
 WORKDIR /build
+
 COPY . .
-RUN apk --no-cache add ca-certificates tini \
+
+RUN apk --no-cache add ca-certificates \
     && export GOOS=$(echo ${TARGETPLATFORM} | cut -d / -f1) \
     && export GOARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) \
-    && GOARM=$(echo ${TARGETPLATFORM} | cut -d / -f3) \
-    && export GOARM=${GOARM:1} \
+    && GOARM=$(echo ${TARGETPLATFORM} | cut -d / -f3); export GOARM=${GOARM:1} \
     && go mod download \
     && go build -a -tags netgo -ldflags '-w -extldflags "-static"' -o exportarr /build/cmd/exportarr/. \
     && chmod +x exportarr
-#
-# Stage 2
-#
+
 FROM gcr.io/distroless/static:nonroot
-ENV PORT="9707"
+
 COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-COPY --from=build /sbin/tini /sbin/tini
-USER nonroot:nonroot
 COPY --from=build /build/exportarr /usr/local/bin/exportarr
-ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/exportarr"]
+
+USER nonroot:nonroot
+ENTRYPOINT ["exportarr"]