Local Nakama Go runtime Setup Error

Local Setup
1

I was following the Nakama’s offical documentation video on setting up the Nakama using go runtime using docker , I followed evert step, but I was not able to see my custom RPC in API explorer section in Nakama console.

Here’s my Dockerfile

FROM golang:1.23.4 AS builder

ENV GO111MODULE=on
ENV CGO_ENABLED=1

WORKDIR /backend

COPY go.mod . 
COPY *.go . 
COPY vendor/ vendor/

RUN go mod tidy
RUN go build --trimpath -mod=vendor -buildmode=plugin -o ./backend.so

FROM heroiclabs/nakama:3.22.0

COPY --from=builder /backend/backend.so /nakama/data/modules
COPY local.yml /nakama/data/

Here’s my docker-compose.yml

services:
  postgres:
    container_name: postgres
    command: postgres -c shared_preload_libraries=pg_stat_statements -c pg_stat_statements.track=all
    image: postgres:12.2-alpine
    environment:
      - POSTGRES_DB=nakama           
      - POSTGRES_USER=postgres       
      - POSTGRES_PASSWORD=localdb    
    volumes:
      - ./postgres-data:/var/lib/postgresql/data  
    expose:
      - "8080"
      - "5432"
    ports:
      - "5432:5432"                  
      - "8080:8080"                 
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "postgres", "-d", "nakama"]
      interval: 3s
      timeout: 3s
      retries: 5

  nakama:
    build: .
    container_name: nakama
    entrypoint:
      - "/bin/sh"
      - "-ecx"
      - >
          /nakama/nakama migrate up --database.address postgres:localdb@postgres:5432/nakama &&
          exec /nakama/nakama --name nakama1 --database.address postgres:localdb@postgres:5432/nakama --logger.level DEBUG --session.token_expiry_sec 7200
    restart: always
    links:
      - "postgres:db"
    depends_on:
      postgres:
        condition: service_healthy
    volumes:
      - ./nakama-data:/nakama/data   
    expose:
      - "7349"
      - "7350"
      - "7351"
    ports:
      - "7349:7349"
      - "7350:7350"
      - "7351:7351"
    healthcheck:
      test: ["CMD", "/nakama/nakama", "healthcheck"]
      interval: 10s
      timeout: 5s
      retries: 5

volumes:
  data:

And here’s my project structure

/server via 🐳 desktop-linux via 🐹 v1.23.4 
❯ ls
Dockerfile         everybodyWithMe.go go.sum             main.go
docker-compose.yml go.mod             local.yml          vendor

/server via 🐳 desktop-linux via 🐹 v1.23.4 
❯

If anyone could help me, please, it would be appreciated.
(Side note, I have never used docker , nakama, and go before.)

2

Hello @mahanshAdtiya,

I think that the issue is that you have this line:

volumes:
      - ./nakama-data:/nakama/data

In the nakama definition in your docker-compose.yml file - this tells Docker to mount the current folder on the host as /nakama/data in the container, which will replace the files built in the builder container in the Dockerfile.

Please remove those lines and try again.

Hope this helps.

3

Another thing I had missed is that in your Dockerfile you should be using our plugin builder image and not a generic Golang one, please replace:

FROM golang:1.23.4 AS builder

with:

FROM heroiclabs/nakama-pluginbuilder:3.22.0 AS builder

This is to ensure the plugin is built correctly for the corresponding version of Nakama. If you’d like to use the latest version you should bump both to v3.25.0