first commit

Dockerfile

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+FROM alpine:3.10 as certs
+RUN apk --no-cache add ca-certificates=20190108-r0 && rm -f /var/cache/apk/*
+
+FROM golang:1.13-alpine AS builder
+RUN mkdir /builder
+WORKDIR /builder/keycloak-gatekeeper
+RUN apk add --no-cache \
+    git=2.22.0-r0 \
+    make=4.2.1-r2 \
+    && rm -f /var/cache/apk/* \
+    && git clone https://github.com/keycloak/keycloak-gatekeeper.git /builder/keycloak-gatekeeper\
+    && make static
+
+FROM scratch
+COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=builder /builder/keycloak-gatekeeper/bin/keycloak-gatekeeper /keycloak-gatekeeper
+ENTRYPOINT [ "/keycloak-gatekeeper" ]