OpenCode in a container (amd64)

README.md

OpenCode in a container (amd64)

The Dockerfile is a little brittle in that it's hardcoded to download amd64 binaries.

Dockerfile.opencode

FROM debian:stable-slim

RUN \
    apt-get update \
    && apt-get install -y \
    ca-certificates \
    curl \
    git \
    git \
    gpg \
    jq \
    kubernetes-client \
    && curl -fsSL https://packages.buildkite.com/helm-linux/helm-debian/gpgkey | \
    gpg --dearmor > /usr/share/keyrings/helm.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/helm.gpg] https://packages.buildkite.com/helm-linux/helm-debian/any/ any main" > \
    /etc/apt/sources.list.d/helm-stable-debian.list \
    && apt-get update && apt-get install -y helm \
    && KUSTOMIZE_TAG=$(curl -s https://api.github.com/repos/kubernetes-sigs/kustomize/releases/latest | jq -r .tag_name) \
    && KUSTOMIZE_VERSION=$(echo $KUSTOMIZE_TAG | cut -d/ -f2) \
    && curl -L "https://github.com/kubernetes-sigs/kustomize/releases/download/${KUSTOMIZE_TAG}/kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz" -o kustomize.tar.gz \
    && tar -xzf kustomize.tar.gz \
    && mv kustomize /usr/local/bin/ \
    && rm kustomize.tar.gz \
    && rm -rf /var/lib/apt/lists/*

ARG OPENCODE_VERSION=latest
LABEL com.opencode.version=${OPENCODE_VERSION}

RUN OPENCODE_TAG=${OPENCODE_VERSION} && \
    if [ "$OPENCODE_VERSION" = "latest" ]; then \
        OPENCODE_TAG=$(curl -sL https://api.github.com/repos/anomalyco/opencode/releases/latest | \
        sed -n 's/.*"tag_name": *"\(v[^"]*\)".*/\1/p'); \
    else \
        OPENCODE_TAG="v${OPENCODE_VERSION}"; \
    fi && \
    curl -sL "https://github.com/anomalyco/opencode/releases/download/${OPENCODE_TAG}/opencode-linux-x64.tar.gz" \
    | tar -xz -C /usr/local/bin/ opencode

WORKDIR /workspace

ENV COLORTERM=truecolor
ENV TERM=xterm-256color
ENV HOME=/tmp/opencode_home
RUN mkdir -p $HOME && chmod 777 $HOME

ENTRYPOINT ["opencode"]

opencode-updater.sh

#!/bin/bash

set -euo pipefail

LATEST_TAG=$(curl -sL https://api.github.com/repos/anomalyco/opencode/releases/latest | sed -n 's/.*"tag_name": *"\(v[^"]*\)".*/\1/p')
LATEST_VERSION="${LATEST_TAG#v}"

CURRENT_VERSION=$(docker inspect --format '{{ index .Config.Labels "com.opencode.version" }}' opencode-local 2>/dev/null || echo "0.0.0")

if [[ "$LATEST_VERSION" != "$CURRENT_VERSION" ]]; then
  echo "Updating opencode container from $CURRENT_VERSION to $LATEST_VERSION..."
  SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
  PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
  docker build --load --progress=plain -t opencode-local \
    --build-arg OPENCODE_VERSION="$LATEST_VERSION" \
    -f "$PROJECT_ROOT/Dockerfile.opencode" "$PROJECT_ROOT" > /dev/null
else
  echo "opencode container is already up to date ($CURRENT_VERSION)."
fi

opencode.sh

#!/bin/bash

IMAGE_NAME="opencode-local"
DOCKERFILE="Dockerfile.opencode"

if [[ "$(docker images -q $IMAGE_NAME 2> /dev/null)" == "" ]]; then
    echo "Building $IMAGE_NAME..."
    docker build --load -t $IMAGE_NAME -f $DOCKERFILE .
fi

exec docker run -it --rm \
    -v "$(pwd):/workspace" \
    -v "$HOME/.opencode:/tmp/opencode_home/.opencode" \
    -v "$HOME/.gitconfig:/etc/gitconfig:ro" \
    -v "$HOME/.kube:/tmp/opencode_home/.kube:ro" \
    -v "$HOME/.git:/tmp/opencode_home/.git:ro" \
    -v "/etc/passwd:/etc/passwd:ro" \
    -v "/etc/group:/etc/group:ro" \
    -e HOME=/tmp/opencode_home \
    -u "$(id -u):$(id -g)" \
    $IMAGE_NAME "$@"