# syntax=docker/dockerfile:1@sha256:ecfaec9ed6d810b56388c508f4121597bfbba70d41a6dfeee4d8cad5f295fc32

# Keep these versions aligned with mise.toml. Digests make rebuilding the

# development toolchain an explicit, reviewable operation.

FROM node:24.11.0-alpine@sha256:f36fed0b2129a8492535e2853c64fbdbd2d29dc1219ee3217023ca48aebd3787 AS node

FROM golang:1.26.1-alpine@sha256:2389ebfa5b7f43eeafbd6be0c3700cc46690ef842ad962f6c5bd6be49ed82039 AS go

FROM elixir:1.20.2-otp-29-alpine@sha256:c68e45a3840f5cec60b9485cf3af8e82d3d749793a2eb4b442628e6ba9711b6f

ARG USERNAME=codebattle

ARG USER_UID=1000

ARG USER_GID=1000

RUN apk add --no-cache \

bash \

build-base \

ca-certificates \

chromium \

curl \

git \

inotify-tools \

libstdc++ \

make \

postgresql-client \

shadow \

vim \

&& addgroup --gid "${USER_GID}" "${USERNAME}" \

&& adduser \

--disabled-password \

--gecos "" \

--home "/home/${USERNAME}" \

--ingroup "${USERNAME}" \

--shell /bin/bash \

--uid "${USER_UID}" \

"${USERNAME}" \

&& mkdir -p \

/workspace/_build \

/workspace/deps \

/workspace/priv/plts \

/workspace/apps/codebattle/node_modules \

"/home/${USERNAME}/.cache" \

"/home/${USERNAME}/.local/share/pnpm" \

&& chown -R "${USERNAME}:${USERNAME}" "/home/${USERNAME}" /workspace

# Copy pinned language runtimes from official images instead of installing

# floating Alpine/npm packages.

COPY --from=node /usr/local/ /usr/local/

COPY --from=go /usr/local/go/ /usr/local/go/

RUN ln -s /usr/local/go/bin/go /usr/local/bin/go \

&& ln -s /usr/local/go/bin/gofmt /usr/local/bin/gofmt

ENV APP_VERSION=dev \

COREPACK_DEFAULT_TO_LATEST=0 \

COREPACK_ENABLE_DOWNLOAD_PROMPT=0 \

COREPACK_HOME=/opt/corepack \

LANG=C.UTF-8 \

MIX_HOME=/home/codebattle/.mix \

HEX_HOME=/home/codebattle/.hex \

NODE_OPTIONS=--max-old-space-size=4096 \

PATH=/usr/local/go/bin:/home/codebattle/.mix/escripts:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin

# Match the package manager declared in apps/codebattle/package.json.

RUN mkdir -p "${COREPACK_HOME}" \

&& corepack enable pnpm \

&& corepack prepare pnpm@11.18.0 --activate \

&& chmod -R a+rX "${COREPACK_HOME}"

USER ${USERNAME}

RUN mix local.hex 2.5.1 --force && mix local.rebar --force

WORKDIR /workspace

CMD ["sleep", "infinity"]