towerops-agent/Dockerfile
Graham McIntire 39641b73d4
enable ping in docker container for non-root user
add libcap and setcap cap_net_raw+p on /bin/ping so ICMP works
without container-level capabilities. add NET_RAW cap_add to
docker-compose.example.yml as fallback.
2026-02-11 10:58:30 -06:00

18 lines
651 B
Docker

FROM golang:1.25-alpine3.23 AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN --mount=type=cache,target=/go/pkg/mod \
go mod download
COPY . .
ARG VERSION=dev
RUN --mount=type=cache,target=/go/pkg/mod \
--mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION}" -o towerops-agent .
FROM alpine:3.23
RUN apk add --no-cache ca-certificates iputils libcap && \
setcap cap_net_raw+p /bin/ping
COPY --from=builder /app/towerops-agent /usr/local/bin/towerops-agent
RUN adduser -D -u 1000 towerops && chown towerops /usr/local/bin/towerops-agent
USER towerops
CMD ["towerops-agent"]