txoo: separate repo download and build

- add arg for txoo_data dir
Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

txood/Dockerfile

@@ -12,8 +12,8 @@ RUN apk add cargo
 
 ARG TXOO_GIT_HASH=528fa92e5def1b6cc19127f2242137bf6f13550d
 ARG TXOO_REPO=https://gitlab.com/lightning-signer/txoo.git
-RUN git clone --recurse-submodules $TXOO_REPO && \
-    cd txoo && \
+RUN git clone --recurse-submodules $TXOO_REPO
+RUN cd txoo && \
     git checkout $TXOO_GIT_HASH && \
     cargo build --release -p txood
 
@@ -23,6 +23,8 @@ FROM --platform=${TARGETPLATFORM:-${BUILDPLATFORM:-linux/amd64}} alpine:3.18 as
 LABEL maintainer.0="Lakshya Singh (@king-11)" \
   maintainer.1="Dev Random (@devrandom01)"
 
+ARG TXOO_DATA=/root/.txoo
+
 RUN apk update && \
     apk add \
       build-base \
@@ -35,7 +37,7 @@ COPY --from=builder /build/txoo/target/release/txood /usr/bin/txood
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
-VOLUME ["/root/.txoo/"]
+VOLUME ["${TXOO_DATA}"]
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD ["txood"]