Create dockefile for docker-compose

Dockerfile.ledgerdownloader

@@ -0,0 +1,17 @@
+FROM ubuntu:20.04 as BUILD
+MAINTAINER radixdlt <devops@radixdlt.com>
+
+ENV DEBIAN_FRONTEND noninteractive
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    build-essential \
+    curl \
+    bash
+
+# Create a directory to hold the script (optional)
+RUN mkdir -p /usr/local/scripts
+
+# Copy the script from the host into the container
+COPY downloadLedgerSnapshot.sh /usr/local/scripts/downloadLedgerSnapshot.sh
+
+ENTRYPOINT ["/usr/local/scripts/downloadLedgerSnapshot.sh"]

node-runner-cli/templates/radix-fullnode-compose.yml.j2

@@ -8,14 +8,12 @@ services:
 {% if core_node is not none and core_node is defined %}
   {% if download-community-snapshot == "true" %}
   download-community-ledger-snapshot:
-      command: /downloadLedgerSnapshot.sh
-      environment:
-          <<: *cenv
+    build:
+      context: .                     
+      dockerfile: Dockerfile.ledgerdownloader
       volumes:
-          - ./downloadLedgerSnapshot.sh:/downloadLedgerSnapshot.sh
           - ./data:/data
   {% endif %}
-
   core:
     cap_add:
     - NET_ADMIN