Files
meshcore-analyzer/Dockerfile
T
Kpa-clawbot e2050f8ec8 fix(docker): default BUILDPLATFORM so plain docker build works (fixes #884) (#1069)
## Summary

Plain `docker build .` (no buildx) fails immediately:

```
Step 1/45 : FROM --platform=$BUILDPLATFORM golang:1.22-alpine AS builder
failed to parse platform : "" is an invalid component of "": platform specifier
component must match "^[A-Za-z0-9_-]+$"
```

`$BUILDPLATFORM` is only auto-populated by buildx; under plain
BuildKit/`docker build` it's empty.

## Fix

Add `ARG BUILDPLATFORM=linux/amd64` before the `FROM` so the variable
always resolves.

## Multi-arch preserved

`docker buildx build --platform=linux/arm64,linux/amd64 .` still
overrides `BUILDPLATFORM` at invocation time — the ARG default only
applies when the caller doesn't set one. The existing CI multi-arch
workflow is unaffected.

Fixes #884

Co-authored-by: meshcore-bot <bot@meshcore.local>
2026-05-05 01:12:40 -07:00

87 lines
3.1 KiB
Docker

# Build stage always runs natively on the builder's arch ($BUILDPLATFORM)
# and cross-compiles to $TARGETOS/$TARGETARCH via Go toolchain. No QEMU.
# BUILDPLATFORM is auto-set by buildx; default to linux/amd64 so plain
# `docker build` (without buildx) doesn't fail on an empty platform string.
ARG BUILDPLATFORM=linux/amd64
FROM --platform=$BUILDPLATFORM golang:1.22-alpine AS builder
ARG APP_VERSION=unknown
ARG GIT_COMMIT=unknown
ARG BUILD_TIME=unknown
# Provided by buildx for multi-arch builds
ARG TARGETOS
ARG TARGETARCH
# Build server (pure-Go sqlite — no CGO needed, cross-compiles cleanly)
WORKDIR /build/server
COPY cmd/server/go.mod cmd/server/go.sum ./
COPY internal/geofilter/ ../../internal/geofilter/
COPY internal/sigvalidate/ ../../internal/sigvalidate/
COPY internal/packetpath/ ../../internal/packetpath/
COPY internal/dbconfig/ ../../internal/dbconfig/
RUN go mod download
COPY cmd/server/ ./
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
go build -ldflags "-X main.Version=${APP_VERSION} -X main.Commit=${GIT_COMMIT} -X main.BuildTime=${BUILD_TIME}" -o /corescope-server .
# Build ingestor
WORKDIR /build/ingestor
COPY cmd/ingestor/go.mod cmd/ingestor/go.sum ./
COPY internal/geofilter/ ../../internal/geofilter/
COPY internal/sigvalidate/ ../../internal/sigvalidate/
COPY internal/packetpath/ ../../internal/packetpath/
COPY internal/dbconfig/ ../../internal/dbconfig/
RUN go mod download
COPY cmd/ingestor/ ./
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
go build -o /corescope-ingestor .
# Build decrypt CLI
WORKDIR /build/decrypt
COPY cmd/decrypt/go.mod cmd/decrypt/go.sum ./
COPY internal/channel/ ../../internal/channel/
RUN go mod download
COPY cmd/decrypt/ ./
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
go build -ldflags="-s -w" -o /corescope-decrypt .
# Runtime image
FROM alpine:3.20
RUN apk add --no-cache mosquitto mosquitto-clients supervisor caddy wget
WORKDIR /app
# Go binaries
COPY --from=builder /corescope-server /corescope-ingestor /corescope-decrypt /app/
# Frontend assets + config
COPY public/ ./public/
COPY config.example.json channel-rainbow.json ./
# Bake git commit SHA — manage.sh and CI write .git-commit before build
# Default to "unknown" if not provided
RUN echo "unknown" > .git-commit
# Supervisor + Mosquitto + Caddy config
COPY docker/supervisord-go.conf /etc/supervisor/conf.d/supervisord.conf
COPY docker/supervisord-go-no-mosquitto.conf /etc/supervisor/conf.d/supervisord-no-mosquitto.conf
COPY docker/supervisord-go-no-caddy.conf /etc/supervisor/conf.d/supervisord-no-caddy.conf
COPY docker/supervisord-go-no-mosquitto-no-caddy.conf /etc/supervisor/conf.d/supervisord-no-mosquitto-no-caddy.conf
COPY docker/mosquitto.conf /etc/mosquitto/mosquitto.conf
COPY docker/Caddyfile /etc/caddy/Caddyfile
# Data directory
RUN mkdir -p /app/data /var/lib/mosquitto /data/caddy && \
chown -R mosquitto:mosquitto /var/lib/mosquitto
# Entrypoint
COPY docker/entrypoint-go.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
EXPOSE 80 443 1883
VOLUME ["/app/data", "/data/caddy"]
ENTRYPOINT ["/entrypoint.sh"]