Dynamically fetch node id

.github/workflows/docker-build-context/Dockerfile

@@ -1,6 +1,8 @@
 ARG image
 FROM $image
 
+WORKDIR /opt/aerospike/smd
+
 # Enable authentication
 RUN echo -e "security {\n\tenable-quotas true\n}\n" >> /etc/aerospike/aerospike.template.conf
 # security.smd was generated manually by
@@ -9,11 +11,14 @@ RUN echo -e "security {\n\tenable-quotas true\n}\n" >> /etc/aerospike/aerospike.
 # 3. Copying /opt/aerospike/smd/security.smd from the container and committing it to this repo
 # This file should always work
 # TODO: generate this automatically, somehow
-COPY security.smd /opt/aerospike/smd/
+COPY security.smd .
 
 # Enable strong consistency
 RUN sed -i "s/\(namespace.*{\)/\1\n\tstrong-consistency true/" /etc/aerospike/aerospike.template.conf
 RUN sed -i "s/\(namespace.*{\)/\1\n\tstrong-consistency-allow-expunge true/" /etc/aerospike/aerospike.template.conf
-# TODO: dynamically get node-id from roster.smd
-RUN sed -i "s/\(^service {\)/\1\n\tnode-id a1/" /etc/aerospike/aerospike.template.conf
-COPY roster.smd /opt/aerospike/smd/
+ENV ROSTER_FILE_NAME=roster.smd
+COPY $ROSTER_FILE_NAME .
+# TODO: uninstall jq
+RUN sudo apt-get install -y jq
+ENV NODE_ID=$(jq ".[1].value" $SMD_FOLDER/$ROSTER_FILE_NAME)
+RUN sed -i "s/\(^service {\)/\1\n\tnode-id $NODE_ID/" /etc/aerospike/aerospike.template.conf