vls: separate repo download and build

- flexbile build option with network caching
- build only vlsd2 not all
- improve build speed
Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

vlsd/Dockerfile

@@ -3,22 +3,20 @@ FROM --platform=${TARGETPLATFORM:-${BUILDPLATFORM:-linux/amd64}} alpine:3.18 as
 WORKDIR /build
 
 RUN apk update && \
-  apk add \
-  build-base \
-  cargo \
-  git \
-  grpc \
-  protobuf \
-  protobuf-dev \
-  rust
+    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
+RUN git clone https://gitlab.com/lightning-signer/validating-lightning-signer.git vls
+RUN cd vls && \
+    git checkout $GIT_HASH && \
+    cargo build --bin vlsd2 --release
 
 FROM --platform=${TARGETPLATFORM:-${BUILDPLATFORM:-linux/amd64}} alpine:3.18 as runner
 
@@ -38,7 +36,7 @@ RUN apk update && \
   protobuf \
   bind-tools
 
-COPY --from=builder /build/validating-lightning-signer/target/release/vlsd2 /usr/local/bin/vlsd2
+COPY --from=builder /build/vls/target/release/vlsd2 /usr/local/bin/vlsd2
 
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -46,11 +44,11 @@ RUN chmod +x /entrypoint.sh
 COPY vlsd2.toml /vlsd2.toml
 
 ENV VLS_DATA=/home/vls/.lightning-signer
-RUN mkdir "${VLS_DATA}"
-RUN chown vls:vls "${VLS_DATA}"
+RUN mkdir ${VLS_DATA}
+RUN chown vls:vls ${VLS_DATA}
 
 ENV REMOTE_SIGNER_ALLOWLIST=${VLS_DATA}/ALLOWLIST
-RUN touch "${REMOTE_SIGNER_ALLOWLIST}"
+RUN touch ${REMOTE_SIGNER_ALLOWLIST}
 
 VOLUME ["${VLS_DATA}"]