add dockerfile

Dockerfile

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+# Phase 0: Builder
+# =========================
+FROM paritytech/ci-linux:production as builder
+
+RUN apt-get update && \
+	apt-get install -y git openssh-client && \
+	rm -rf /var/lib/apt/lists && \
+  mkdir -p /avail
+
+COPY . /avail/
+
+RUN \
+	mkdir -p /da/bin && \
+	mkdir -p /da/genesis && \
+	# Build DA \
+	cp -r /avail/misc/genesis /da && \
+	cd /avail && \
+	cargo build --release -p data-avail && \
+	# Install binaries \
+	mv target/release/data-avail /da/bin
+
+
+# Phase 1: Binary deploy
+# =========================
+FROM debian:buster-slim
+
+RUN apt-get update && \
+	apt-get install -y curl && \
+	rm -rf /var/lib/apt/lists
+
+COPY --from=builder /da/ /da
+COPY entrypoint.sh /
+WORKDIR /da
+
+ENV \
+	DA_CHAIN="/da/genesis/testnet.chain.spec.raw.json" \
+	DA_NAME="AvailNode" \
+	DA_MAX_IN_PEERS=50 \
+	DA_MAX_OUT_PEERS=50 \
+	DA_P2P_PORT="30333"
+
+VOLUME ["/tmp", "/da/state", "/da/keystore"]
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

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+#!/bin/sh
+cat /entrypoint.sh;
+
+trap cleanup 1 2 3 6
+
+cleanup()
+{
+  echo "Done cleanup ... quitting."
+  exit 1
+}
+
+/da/bin/data-avail \
+	--validator \
+	--base-path /da/state \
+	--keystore-path /da/keystore \
+	--execution=NativeElseWasm \
+	--offchain-worker=Always \
+	--enable-offchain-indexing=true \
+	--name $DA_NAME \
+	--chain $DA_CHAIN \
+	--port $DA_P2P_PORT \
+	--bootnodes=/ip4/52.47.205.129/tcp/30333/p2p/12D3KooW9tVuCzq3eknsevL5uyqQ3LpVcuqtkTqropjNccbhsWBz \
+	--bootnodes=/ip4/15.237.127.118/tcp/30333/p2p/12D3KooWQtxig5HukFDwQzshGWgQEZAqGqdCN7AQBW7cQRJWCyxL \
+	--bootnodes=/ip4/52.47.205.129/tcp/30333/p2p/12D3KooW9tVuCzq3eknsevL5uyqQ3LpVcuqtkTqropjNccbhsWBz \
+	$@