ARG ACT_RUNNER_VERSION=3.0.2


# STAGE 1 — BUILDER 
FROM alpine:3.20 AS builder
ARG ACT_RUNNER_VERSION
RUN apk add --no-cache curl unzip bash

# Kubectl 
RUN curl -Lo /tmp/kubectl \
    "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl" \
 && chmod +x /tmp/kubectl

ARG ACT_RUNNER_VERSION
# ACT Runner
RUN curl -sSLO "https://dl.gitea.com/gitea-runner/${ACT_RUNNER_VERSION}/gitea-runner-${ACT_RUNNER_VERSION}-linux-amd64" \
 && curl -sSLO "https://dl.gitea.com/gitea-runner/${ACT_RUNNER_VERSION}/gitea-runner-${ACT_RUNNER_VERSION}-linux-amd64.sha256" \
 && sed -i '/found/d' "gitea-runner-${ACT_RUNNER_VERSION}-linux-amd64.sha256" \
 && sha256sum -c "gitea-runner-${ACT_RUNNER_VERSION}-linux-amd64.sha256" \
 && install -m 0755 "gitea-runner-${ACT_RUNNER_VERSION}-linux-amd64" /tmp/gitea-runner


# --------------------------------------------------------------------
# STAGE 2 — FINAL IMAGE
# --------------------------------------------------------------------
FROM alpine:3.20


COPY --from=builder /tmp/kubectl /usr/local/bin/kubectl
COPY --from=builder /tmp/gitea-runner /usr/local/bin/act_runner

COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh


RUN addgroup -g 1000 runner \
 && adduser -D -u 1000 -G runner -s /bin/bash runner \
 && mkdir -p /home/runner \
 && chown -R runner:runner /home/runner

 RUN mkdir /etc/act_runner \
 && chown -R runner:runner /etc/act_runner



VOLUME /home/runner/data

ENV GITEA_RUNNER_NAME="kubectl-mini" \
    GITEA_RUNNER_CONFIG_FILE="/etc/act_runner/config.yaml" \
    GITEA_RUNNER_EXEC_WORKDIR="/home/runner/workspace" \
    GITEA_RUNNER_EPHEMERAL="1"\
    GITEA_RUNNER_LABELS="linux,alpine,kubectl"

USER runner
RUN mkdir /home/runner/workspace && mkdir /home/runner/data
WORKDIR /home/runner

ENTRYPOINT ["/entrypoint.sh"]