unkin-agent
2b37986218
Small Go tool + distroless container used as a K8s initContainer to block an app until its database (Postgres/MySQL) is reachable. Env-var configured (WAITFORDB_* + libpq PG* fallback), configurable timeout/interval, redacted logs, exit codes. Woodpecker CI publishes docker-internal/waitfordb on tag.
19 lines
420 B
Docker
19 lines
420 B
Docker
FROM golang:1.25-alpine AS builder
|
|
|
|
WORKDIR /build
|
|
|
|
COPY go.mod go.sum ./
|
|
RUN go mod download
|
|
|
|
COPY . .
|
|
|
|
ARG VERSION=dev
|
|
RUN CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION}" -o waitfordb .
|
|
|
|
# distroless static ships ca-certificates and runs as an unprivileged user.
|
|
FROM gcr.io/distroless/static-debian12:nonroot
|
|
|
|
COPY --from=builder /build/waitfordb /usr/local/bin/waitfordb
|
|
|
|
ENTRYPOINT ["waitfordb"]
|