vls: docker image, asssets and entrypoint

Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

assets/vlsd2.toml

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+datadir = "/home/vls/.lightning-signer"

vlsd/Dockerfile

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+FROM --platform=${TARGETPLATFORM:-${BUILDPLATFORM:-linux/amd64}} alpine:3.18 as builder
+
+WORKDIR /build
+
+RUN apk update && \
+  apk add \
+  build-base \
+  cargo \
+  git \
+  grpc \
+  protobuf \
+  protobuf-dev \
+  rust
+
+ARG GIT_HASH=af02dac8b855c361d74234387d288a9591fad1d5
+RUN git clone https://gitlab.com/lightning-signer/validating-lightning-signer.git && \
+    cd validating-lightning-signer && \
+    git checkout $GIT_HASH
+
+RUN cd validating-lightning-signer && \
+    cargo build --bins --release
+
+FROM --platform=${TARGETPLATFORM:-${BUILDPLATFORM:-linux/amd64}} alpine:3.18 as runner
+
+ARG UID=100
+ARG GID=101
+
+LABEL maintainer.0="Lakshya Singh (@king-11)" \
+  maintainer.1="Dev Random (@devrandom01)"
+
+RUN addgroup vls --gid ${GID} --system
+RUN adduser --uid ${UID} --system vls --ingroup vls
+
+RUN apk update && \
+  apk add \
+  build-base \
+  curl-dev \
+  protobuf \
+  bind-tools
+
+COPY --from=builder /build/validating-lightning-signer/target/release/vlsd2 /usr/local/bin/vlsd2
+
+COPY vlsd/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+COPY assets/vlsd2.toml /vlsd2.toml
+
+ENV VLS_DATA=/home/vls/.lightning-signer
+RUN mkdir "${VLS_DATA}"
+RUN chown vls:vls "${VLS_DATA}"
+
+ENV REMOTE_SIGNER_ALLOWLIST=${VLS_DATA}/ALLOWLIST
+RUN touch "${REMOTE_SIGNER_ALLOWLIST}"
+
+VOLUME ["${VLS_DATA}"]
+
+USER vls
+
+ENTRYPOINT ["/entrypoint.sh"]
+
+RUN vlsd2 --git-desc
+
+CMD ["vlsd2"]

vlsd/entrypoint.sh

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+#!/bin/sh
+set -e
+
+cp /vlsd2.toml $VLS_DATA/
+sed -i "1s/^/network = \"$VLS_NETWORK\"\n/" $VLS_DATA/vlsd2.toml
+
+if [ $(echo "$1" | cut -c1) = "-" ]; then
+  echo "$0: assuming arguments for vlsd2"
+
+  set -- vlsd2 "$@"
+fi
+
+if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "vlsd2" ]; then
+  echo "$0: setting config to $VLS_DATA/vlsd2.toml"
+
+  set -- "$@" --config=$VLS_DATA/vlsd2.toml
+fi
+
+echo
+exec "$@"