Opencode Docker Simple Sandbox

compose.yml

services:
  dev-env:
    build: .
    volumes:
      - ~/project/:/workspace  # Your project folder
      - ~/.config/opencode:/root/.config/opencode:ro  # Your config (read-only)
      - ~/.local/share/opencode/:/root/.local/share/opencode/
      - dev-tools:/opt/tools  # Persistent volume for installed tools
      - dev-cache:/root/.cache  # Cache for package managers
#      - dev-cache-maven:/root/.m2
    working_dir: /workspace
    stdin_open: true
    tty: true
    command: /bin/bash

volumes:
  dev-tools:
  dev-cache:

Dockerfile

FROM ubuntu:22.04

# Install essentials
RUN apt-get update && apt-get install -y \
    curl \
    wget \
    git \
    build-essential \
    python3 \
    python3-pip \
    sudo
#    && rm -rf /var/lib/apt/lists/*



ENV NVM_VERSION=0.40.3
ENV NODE_VERSION=22.18.0
RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v${NVM_VERSION}/install.sh | bash
# standard location
ENV NVM_DIR=/root/.nvm
RUN . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION}
RUN . "$NVM_DIR/nvm.sh" && nvm use v${NODE_VERSION}
RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
ENV PATH="${NVM_DIR}/versions/node/v${NODE_VERSION}/bin/:${PATH}"



RUN apt-get install -y openjdk-21-jdk-headless maven
RUN npm i -g opencode-ai@1.0.134
#RUN npm i -g @openai/codex

# Add tools directory to PATH
ENV PATH="/opt/tools/bin:${PATH}"

# Allow installing packages without prompts
#ENV DEBIAN_FRONTEND=noninteractive

WORKDIR /workspace