next (#5)

Co-authored-by: sneak <sneak@sneak.berlin>
Reviewed-on: #5

Dockerfile

@@ -1,42 +1,37 @@
-## lint image
-## current as of 2022-01-25
-FROM golangci/golangci-lint:latest AS linter
-
-RUN mkdir -p /build
-WORKDIR /build
-COPY ./ ./
-RUN golangci-lint run
-
-## build image:
-# this is golang:1.17.6-buster as of 2022-01-27
-FROM golang@sha256:52a48e0239f4d645b20ac268a60361703afe7feb2df5697fa89f72052cb87a3e AS builder
-#FROM golang:1.16-buster AS builder
-
+################################################################################
+#2345678911234567892123456789312345678941234567895123456789612345678971234567898
+################################################################################
+FROM sneak/builder:2022-12-08 AS builder
 ENV DEBIAN_FRONTEND noninteractive
-RUN apt update && apt install -y make bzip2 curl unzip
-
-# install newer protoc than what comes with buster
-ENV PB_REL https://github.com/protocolbuffers/protobuf/releases
-RUN curl -LO $PB_REL/download/v3.19.0/protoc-3.19.0-linux-x86_64.zip && \
-    unzip protoc-3.19.0-linux-x86_64.zip -d /usr/local
-
-RUN mkdir -p /build
 WORKDIR /build
+COPY ./Makefile ./.golangci.yml ./go.mod ./go.sum /build/
+COPY ./vendor.tzst /build/vendor.tzst
+COPY ./modcache.tzst /build/modcache.tzst
+COPY ./internal ./internal
+COPY ./bin/gitrev.sh ./bin/gitrev.sh
+COPY ./mfer ./mfer
+COPY ./cmd ./cmd
+ARG GITREV unknown
+ARG DRONE_COMMIT_SHA unknown
 
-COPY go.mod .
-COPY go.sum .
-
-COPY ./ ./
-# don't lint again during build because there's no golangci-lint in this
-# image and we already did it in a previous stage
-#RUN make lint
-RUN make mfer
-#RUN go mod vendor
-RUN tar -c . | bzip2 > /src.tbz2
-
-
+RUN mkdir -p "$(go env GOMODCACHE)" && cd "$(go env GOMODCACHE)" && \
+    zstdmt -d --stdout /build/modcache.tzst | tar xf - && \
+    rm /build/modcache.tzst && cd /build
+RUN \
+    cd mfer && go generate . && cd .. && \
+    GOPACKAGESDEBUG=true golangci-lint run ./... && \
+    mkdir vendor && cd vendor && \
+    zstdmt -d --stdout /build/vendor.tzst | tar xf - && rm /build/vendor.tzst && \
+    cd .. && \
+    make mfer.cmd
+RUN rm -rf /build/vendor && go mod vendor && tar -c . | zstdmt -19 > /src.tzst
+################################################################################
+#2345678911234567892123456789312345678941234567895123456789612345678971234567898
+################################################################################
+## final image
+################################################################################
 FROM scratch
-COPY --from=builder /src.tbz2 /src.tbz2
-COPY --from=builder /build/mfer /mfer
+# we put all the source into the final image for posterity, it's small
+COPY --from=builder /src.tzst /src.tzst
+COPY --from=builder /build/mfer.cmd /mfer
 ENTRYPOINT ["/mfer"]
-