graham/towerops-agent
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feat: show build date on agent startup

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Inject build timestamp via ldflags during Docker build so the
agent logs when the binary was compiled.
This commit is contained in:
Graham McIntire 2026-03-24 12:56:11 -05:00
parent 1ba8e085a7
commit abde949455
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2 changed files with 3 additions and 2 deletions
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2
Dockerfile
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@ -7,7 +7,7 @@ COPY . .
ARG VERSION=dev ARG VERSION=dev
RUN --mount=type=cache,target=/go/pkg/mod \ RUN --mount=type=cache,target=/go/pkg/mod \
--mount=type=cache,target=/root/.cache/go-build \ --mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION}" -o towerops-agent . CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=${VERSION} -X main.buildDate=$(date -u +%Y-%m-%dT%H:%M:%SZ)" -o towerops-agent .
FROM alpine:3.23 FROM alpine:3.23
RUN apk add --no-cache ca-certificates iputils libcap RUN apk add --no-cache ca-certificates iputils libcap

3
main.go
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@ -13,6 +13,7 @@ import (
) )
var version = "dev" var version = "dev"
var buildDate = "unknown"
var insecureFlag bool var insecureFlag bool
@ -71,7 +72,7 @@ func runMain(ctx context.Context, args []string) int {
return 1 return 1
} }
slog.Info("towerops agent starting", "version", version) slog.Info("towerops agent starting", "version", version, "built", buildDate)
// Convert HTTP(S) to WebSocket URL // Convert HTTP(S) to WebSocket URL
wsURL, err := toWebSocketURL(*apiURL) wsURL, err := toWebSocketURL(*apiURL)