Files
pinata/Dockerfile
T
2026-03-28 02:23:00 +01:00

67 lines
1.3 KiB
Docker

# syntax=docker/dockerfile:1.4
FROM --platform=$BUILDPLATFORM chimeralinux/chimera:latest AS builder
ARG TARGETOS
ARG TARGETARCH
WORKDIR /src
COPY go.mod ./
RUN apk add --no-cache ca-certificates git go && go mod download
COPY . .
RUN CGO_ENABLED=0 \
GOOS=${TARGETOS:-linux} \
GOARCH=${TARGETARCH:-amd64} \
go build -trimpath \
-ldflags="-s -w -extldflags '-static' -buildid=''" \
-gcflags="all=-l" \
-o /pinata ./main.go
FROM chimeralinux/chimera:latest AS runtime
RUN apk add --no-cache ca-certificates dnsmasq
COPY --from=builder /pinata /pinata
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
RUN mkdir -p /run
# Non-root by default
USER 65532
RUN cat > /entrypoint.sh <<'EOF'
#!/bin/sh
set -eu
UPSTREAM="/run/dnsmasq.resolv"
cp /etc/resolv.conf "$UPSTREAM" || true
dnsmasq \
--no-daemon \
--port=5353 \
--listen-address=127.0.0.1 \
--cache-size=10000 \
--neg-ttl=60 \
--resolv-file="$UPSTREAM" \
--log-facility=- &
DNSMASQ_PID=$!
trap 'kill $DNSMASQ_PID 2>/dev/null || true' EXIT INT TERM
sleep 0.3
export GODEBUG=netdns=go
export DNSCACHE="127.0.0.1:5353"
exec /pinata
EOF
RUN chmod +x /entrypoint.sh
EXPOSE 8080
ENV GOMEMLIMIT=8MiB \
GOGC=20
ENTRYPOINT ["/entrypoint.sh"]