This commit is contained in:
Kwitsch 2022-09-20 18:57:02 +02:00
parent 326c925f0f
commit bba85a8068
2 changed files with 12 additions and 24 deletions

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@ -1,11 +1,9 @@
# zig compiler
FROM --platform=$BUILDPLATFORM ghcr.io/euantorano/zig:master AS zig-env
# prepare build environment
FROM --platform=$BUILDPLATFORM golang:1-alpine AS build
RUN apk add --no-cache \
ca-certificates \
libcap
RUN update-ca-certificates 2>/dev/null || true
# build environment
FROM --platform=$BUILDPLATFORM golang:1-alpine AS build
# required arguments(buildx will set target)
ARG VERSION
ARG BUILD_TIME
@ -13,15 +11,9 @@ ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT
# create blocky user passwd file
RUN echo "blocky:x:100:65533:Blocky User,,,:/app:/sbin/nologin" > /tmp/blocky_passwd
# set working directory
WORKDIR /go/src
COPY ./docker /scripts
RUN chmod +x /scripts/*.sh
# download packages
COPY go.mod go.sum ./
RUN --mount=type=cache,target=/go/pkg \
@ -29,17 +21,14 @@ RUN --mount=type=cache,target=/go/pkg \
# add source
COPY . .
RUN --mount=type=cache,target=/go/pkg \
go generate ./...
# setup environment
# setup go+zig
COPY --from=zig-env /usr/local/bin/zig /usr/local/bin/zig
ENV PATH="/usr/local/bin/zig:${PATH}"
RUN --mount=type=cache,target=/go/pkg \
go install github.com/dosgo/zigtool/zigcc@latest && \
go install github.com/dosgo/zigtool/zigcpp@latest && \
go env -w GOARM=${TARGETVARIANT##*v}
ENV CC="zigcc" \
CXX="zigcpp" \
CGO_ENABLED=0 \
@ -49,27 +38,26 @@ ENV CC="zigcc" \
# build binary
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg \
/scripts/printenv.sh && \
go build \
-tags static \
-v \
-ldflags="-X github.com/0xERR0R/blocky/util.Version=${VERSION} -X github.com/0xERR0R/blocky/util.BuildTime=${BUILD_TIME}" \
-o /bin/blocky
RUN setcap 'cap_net_bind_service=+ep' /bin/blocky && \
RUN apk add --no-cache libcap ca-certificates && \
setcap 'cap_net_bind_service=+ep' /bin/blocky && \
echo "blocky:x:100:65533:Blocky User,,,:/app:/sbin/nologin" > /tmp/blocky_passwd && \
chown 100 /bin/blocky
# final stage
FROM scratch
#LABEL org.opencontainers.image.source="https://github.com/0xERR0R/blocky" \
# org.opencontainers.image.url="https://github.com/0xERR0R/blocky" \
# org.opencontainers.image.title="DNS proxy as ad-blocker for local network"
LABEL org.opencontainers.image.source="https://github.com/0xERR0R/blocky" \
org.opencontainers.image.url="https://github.com/0xERR0R/blocky" \
org.opencontainers.image.title="DNS proxy as ad-blocker for local network"
WORKDIR /app
#RUN cp /bin/blocky /app/blocky
COPY --from=build /tmp/blocky_passwd /etc/passwd
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=build /bin/blocky /app/blocky

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@ -45,9 +45,9 @@ fmt: ## gofmt and goimports all go files
find . -name '*.go' | while read -r file; do gofmt -w -s "$$file"; goimports -w "$$file"; done
docker-build: ## Build docker image
go generate ./...
docker buildx \
build -o type=docker \
--cache-from type=registry,ref=ghcr.io/0xerr0r/blocky:buildcache \
--build-arg VERSION=${VERSION} \
--build-arg BUILD_TIME=${BUILD_TIME} \
--network=host -t ${DOCKER_IMAGE_NAME} .