Add Dockerfile

Dockerfile

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+FROM golang:alpine AS build-env
+
+# Set up dependencies
+ENV PACKAGES make git curl build-base
+
+# Set working directory for the build
+WORKDIR /go/src/github.com/cosmos/ethermint
+
+# Install dependencies
+RUN apk add --update $PACKAGES
+
+# Add source files
+COPY . .
+
+# Make the binary
+RUN make update-tools get-vendor-deps build
+
+# Final image
+FROM alpine:edge
+
+# Install ca-certificates
+RUN apk add --update ca-certificates
+WORKDIR /root
+
+# Copy over binaries from the build-env
+COPY --from=build-env /go/src/github.com/cosmos/ethermint/build/ethermint /usr/bin/ethermint
+
+# Run ethermint by default
+CMD ["ethermint"]