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Docker based Ergo setup. This is a fork of Ergo Setup but this repo runs less components and runs on a single docker compose network. This repo does not include a node as this is connected to remotely.

  1. Postgresql Database (Explorer Backend Schema)
  2. Redis
  3. Explorer Backend Chain-Grabber
  4. Explorer Backend UTX Mempool Tracker
  5. GraphQL

Install Docker and Docker Compose, then follow the instructions below for the components you'd like to run.

Containers are configured to expose certain ports for convenient access within a home lab context. Modify the ports values in the docker-compose.yml files if needed.

# Volume and network expected by graphql compose file.
docker volume create --name=ergo_redis
docker network create ergo-graphql

# Make sure that you are in the graphql directory
cd graphql

# Set the EXPLORER_VERSION variable in `./build.sh` and `docker-compose.yml`.
# Update this to the latest version at https://github.com/ergoplatform/explorer-backend/tags

# Set the VERSION variable for the graphql component in `docker-compose.yml`.
# Set the ARG VERSION variable for the graphql component in `/graphql/Dockerfile`.
# Update this to the latest version at https://github.com/capt-nemo429/ergo-graphql/tags

# To connect to your node, in the docker-compose.yml, for the graphql component,
# update the ERGO_NODE_ADDRESS variable with your node's IP
ERGO_NODE_ADDRESS: http://your-ip:9053

# In the docker-compose.yml, for the graphql component,
# under environment, set the `NETWORK` field to `MAINNET` or `TESTNET` as required

# Run the build script to fetch Ergo Explorer-Backend v9.16.6 from source
./build.sh

# If receiving an error `./build.sh: Permission denied`
chmod +x build.sh

# Start all services in one go...
docker compose up -d --build

# Stopping the service
# Using stop before/instead of down seems to cause less db corruption issues
docker compose stop graphql
docker compose down

# ...or only the ones you need
docker compose build db graphql
docker compose up --no-start
docker compose start db
docker compose start graphql

# Check their status
docker ps --filter name=graphql -a

# Stop all explorer services
docker compose down
# ...or
docker compose stop graphql
docker compose stop db

GraphQL

The graphql server will run over http on port 3001. To use it with clients requiring https, put it behind a reverse proxy.

Database volume

The database volume is mapped, not named. Mapped volumes make it easier to handle Postresql upgrades.

This means you may have to edit the path in docker-compose.yml and ensure the specified path exists on your system:

services:
  db:
...
    volumes:
      # Mapped volume for easier Postgres upgrades.
      # Make sure the path exists or edit it here.
      # See also readme_pg_upgrade.md
      - /var/lib/explorer_pg/14/data:/var/lib/postgresql/data
...