feat: add entrypoint for running required steps

While there, adjust DEPLOYMENT.md accordingly. Also add an environment
variable in Dockerfile to allow specifying specifics targets for
`precache` subcommand.

DEPLOYMENT.md

@@ -46,9 +46,7 @@ The easiest way is to mount the config directly into the Docker container.
 $ git clone https://github.com/rsksmart/rif-marketplace-cache.git
 $ cd ./rif-marketplace-cache
 $ docker build -t rif-marketplace-cache .
-$ docker run -v <path-to-the-config>:/srv/app/config/local.json5 -id rif-marketplace-cache db-sync
-$ docker run -v <path-to-the-config>:/srv/app/config/local.json5 -id rif-marketplace-cache precache rns rates
-$ docker run -v <path-to-the-config>:/srv/app/config/local.json5 -id rif-marketplace-cache start # Will start the server
+$ docker run -v <path-to-the-config>:/srv/app/config/local.json5 -id rif-marketplace-cache --config local
 ```
 
 ## UNIX environment

Dockerfile

@@ -26,8 +26,9 @@ RUN sed -i 's#"./src/cli"#"./lib/cli"#g' package.json
 
 EXPOSE 3030
 
-ENTRYPOINT [ "./bin/run" ]
-CMD [ "start" ]
+ENV RIFM_PRECACHE_TARGETS all
+
+ENTRYPOINT [ "./bin/entrypoint" ]
 
 LABEL maintainer="adam@iovlabs.org"
 LABEL description="Blockchain caching server for RIF Marketplace"

bin/entrypoint

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+./bin/run db-sync "$@"
+./bin/run precache "$@" $RIFM_PRECACHE_TARGETS
+./bin/run start "$@"