simplifies even more dockerfile

Dockerfile

@@ -9,17 +9,9 @@ RUN make build
 FROM alpine
 RUN apk update && apk --no-cache add bash
 
-COPY --from=builder /celestia-app/build/celestia-appd /opt
-COPY docker/priv_validator_state.json /opt/data
-WORKDIR /opt
+COPY --from=builder /celestia-app/build/celestia-appd /bin/celestia-appd
 
 # p2p, rpc and prometheus port
 EXPOSE 26656 26657 1317 9090
 
-# This allows us to always set the --home directory using an env
-# var while still capturing all arguments passed at runtime
-ENTRYPOINT [ "/bin/bash", "-c", "exec ./celestia-appd \
-            --home /opt \
-            \"${@}\"", "--" ]
-# Default command to run if no arguments are passed
-CMD ["--help"]
+ENTRYPOINT [ "/bin/celestia-appd" ]