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filtron/Dockerfile

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Docker

# STEP 1 build executable binary
FROM golang:1.17.3-alpine3.13@sha256:8840854a5cd71bd57711fa5d80fe5c727b4f96ad039a0f62b25cc9d2e3cc2886 AS builder
ENV FILTRON_VERSION="v0.2.0"
WORKDIR $GOPATH/src/github.com/asciimoo/filtron
RUN apk upgrade --no-cache && \
apk add --no-cache tar git curl && \
curl -L "https://github.com/asciimoo/filtron/archive/${FILTRON_VERSION}.tar.gz" | tar xvz --strip 1
RUN go get -d -v && gofmt -l ./ && go build .
# STEP 2 build the image including only the binary
FROM alpine:3.14.2@sha256:e1c082e3d3c45cccac829840a25941e679c25d438cc8412c2fa221cf1a824e6a
RUN apk --no-cache add ca-certificates && \
adduser -D -h /usr/local/filtron -s /bin/false filtron filtron
COPY --from=builder /go/src/github.com/asciimoo/filtron/example_rules.json /etc/filtron/rules.json
COPY --from=builder /go/src/github.com/asciimoo/filtron/filtron /usr/local/filtron/filtron
EXPOSE 3000
USER filtron
ENTRYPOINT ["/usr/local/filtron/filtron", "--rules", "/etc/filtron/rules.json"]