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feat: harden dockerfile #6

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Merged
Fesaa merged 4 commits into from
Jan 6, 2025
Merged

feat: harden dockerfile #6

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73a0350
feat: harden dockerfile
jrschumacher Jan 4, 2025
8247e9b
resolve comments
jrschumacher Jan 5, 2025
f643841
Merge branch 'master' of github.com:Fesaa/iCalMerger into secure-dock…
jrschumacher Jan 5, 2025
7b4fe1e
resolve typo
jrschumacher Jan 5, 2025
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22 changes: 16 additions & 6 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,21 +1,31 @@
FROM golang:1.21 as go-stage
# syntax=docker/dockerfile:1.3

FROM --platform=$BUILDPLATFORM golang:1.23 as go-stage

WORKDIR /app

COPY go.mod ./
COPY go.sum ./
COPY go.mod go.sum ./

RUN go mod download

COPY . ./

RUN go build -o /ical-merger
RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -ldflags="-s -w" -o /ical-merger .

FROM alpine:3.21

FROM frolvlad/alpine-glibc:latest
RUN apk update && apk add --no-cache ca-certificates curl && update-ca-certificates && rm -rf /var/cache/apk/*

WORKDIR /app

RUN apk add --no-cache ca-certificates
COPY --from=go-stage /ical-merger /app/ical-merger

USER 10001:10001

HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD [ "curl", "-f", "http://localhost:8080/health" ] || exit 1

LABEL maintainer="https://github.com/Fesaa/iCalMerger"
LABEL version="1.0.0"
LABEL description="iCal Merger"

CMD ["/app/ical-merger"]
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