feat: add localnet Dockerfile (#82)

.dockerignore

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+.github
+scripts
+target
+Dockerfile

Dockerfile

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+FROM rust:1.71 AS builder
+WORKDIR /tmp/
+
+# Copy from nearcore:
+# https://github.com/near/nearcore/blob/master/Dockerfile
+RUN apt-get update -qq && \
+    apt-get install -y \
+        git \
+        cmake \
+        g++ \
+        pkg-config \
+        libssl-dev \
+        curl \
+        llvm \
+        clang
+
+COPY . .
+
+# build for release
+RUN cargo build --release
+
+FROM debian:bookworm-slim as runtime
+WORKDIR /near-lake-app
+
+RUN apt update && apt install -yy openssl ca-certificates jq
+
+COPY --from=builder /tmp/target/release/near-lake .
+COPY ./entrypoint.sh entrypoint.sh
+ENTRYPOINT [ "./entrypoint.sh" ]

entrypoint.sh

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+#!/bin/bash
+
+# Initialize NEAR Lake to generate config and genesis
+/near-lake-app/near-lake init --chain-id localnet
+
+# Tweak nearcore config to track all shards
+tmp=$(mktemp)
+jq '.tracked_shards = [0]' /root/.near/config.json >"$tmp" && mv "$tmp" /root/.near/config.json
+
+/near-lake-app/near-lake run "$@"