feat: standardize dockerfile

Dockerfile

@@ -1,8 +1,42 @@
-FROM cimg/go:1.22.4
-USER circleci
-RUN mkdir -p /home/circleci/app
-WORKDIR /home/circleci/app
-COPY --chown=circleci:circleci *.go go.mod go.sum ./
-EXPOSE 3333
-RUN go build
-CMD [ "./ipfs-check" ]
+# Builder
+FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.21-bookworm AS builder
+
+LABEL org.opencontainers.image.source=https://github.com/ipfs-shipyard/ipfs-check
+LABEL org.opencontainers.image.description="Check if you can find your content on IPFS"
+LABEL org.opencontainers.image.licenses=MIT+APACHE_2.0
+
+ARG TARGETPLATFORM TARGETOS TARGETARCH
+
+ENV GOPATH      /go
+ENV SRC_PATH    $GOPATH/src/github.com/ipfs-shipyard/ipfs-check
+ENV GO111MODULE on
+ENV GOPROXY     https://proxy.golang.org
+
+COPY go.* $SRC_PATH/
+WORKDIR $SRC_PATH
+RUN go mod download
+
+COPY . $SRC_PATH
+RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o $GOPATH/bin/ipfs-check
+
+# Runner
+FROM debian:bookworm-slim
+
+RUN apt-get update && \
+  apt-get install --no-install-recommends -y tini ca-certificates curl && \
+  rm -rf /var/lib/apt/lists/*
+
+ENV GOPATH      /go
+ENV SRC_PATH    $GOPATH/src/github.com/ipfs-shipyard/ipfs-check
+ENV DATA_PATH   /data/ipfs-check
+
+COPY --from=builder $GOPATH/bin/ipfs-check /usr/local/bin/ipfs-check
+
+RUN mkdir -p $DATA_PATH && \
+    useradd -d $DATA_PATH -u 1000 -G users ipfs && \
+    chown ipfs:users $DATA_PATH
+VOLUME $DATA_PATH
+WORKDIR $DATA_PATH
+
+USER ipfs
+ENTRYPOINT ["tini", "--", "/usr/local/bin/ipfs-check", "start"]