Dockerfile

# syntax=docker/dockerfile:1.7

FROM --platform=$BUILDPLATFORM golang:1.22-alpine AS build

WORKDIR /src

ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT
ARG VERSION=dev
ARG COMMIT=none
ARG DATE=unknown

COPY go.mod go.sum ./
RUN go mod download

COPY *.go ./
COPY static ./static

RUN set -eux; \
    if [ "$TARGETARCH" = "arm" ]; then export GOARM="${TARGETVARIANT#v}"; fi; \
    CGO_ENABLED=0 GOOS="$TARGETOS" GOARCH="$TARGETARCH" \
      go build -trimpath \
      -ldflags "-s -w -X main.version=$VERSION -X main.commit=$COMMIT -X main.date=$DATE" \
      -o /out/opencode2api .

FROM alpine:3.20

RUN set -eux; \
    apk add --no-cache ca-certificates su-exec tzdata wget; \
    addgroup -S opencode2api; \
    adduser -S -G opencode2api -h /data opencode2api; \
    mkdir -p /app /data; \
    chown -R opencode2api:opencode2api /data; \
    wget -qO /tmp/sing-box.tar.gz "https://github.com/SagerNet/sing-box/releases/download/v1.13.16/sing-box-1.13.16-linux-amd64-musl.tar.gz"; \
    tar -xzf /tmp/sing-box.tar.gz -C /tmp; \
    cp /tmp/sing-box-1.13.16-linux-amd64-musl/sing-box /usr/local/bin/sing-box; \
    chmod +x /usr/local/bin/sing-box; \
    rm -rf /tmp/sing-box.tar.gz /tmp/sing-box-1.13.16-linux-amd64-musl

WORKDIR /data

COPY --from=build /out/opencode2api /usr/local/bin/opencode2api
COPY config.example.json /app/config.example.json
COPY docker/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ENV OPENCODE2API_PORT=52000 \
    OPENCODE2API_CONFIG=/data/config.json \
    OPENCODE2API_PASSWORD=123456

EXPOSE 52000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
  CMD wget -qO- "http://127.0.0.1:${OPENCODE2API_PORT}/health" >/dev/null || exit 1

ENTRYPOINT ["/entrypoint.sh"]