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Fix: Fix building of docker image for postfix exporter

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This commit is contained in:
Bojan Čekrlić 2025-01-30 19:53:18 +01:00
parent 0a8e84b855
commit 1bdf77822f
1 changed files with 29 additions and 17 deletions
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46
postfix-exporter-01.patch
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@ -1,25 +1,34 @@
diff --git a/Dockerfile b/Dockerfile diff --git a/Dockerfile b/Dockerfile
index a3327d8..1cdfa84 100644 index 75a22d8..81145c9 100644
--- a/Dockerfile --- a/Dockerfile
+++ b/Dockerfile +++ b/Dockerfile
@@ -1,4 +1,10 @@ @@ -1,8 +1,41 @@
-FROM golang:1.16 AS builder -FROM scratch
+# syntax=docker/dockerfile:1.2 +# syntax=docker/dockerfile:1.2
+FROM golang:1.21.3-bookworm AS builder +FROM golang:1.23 AS builder
LABEL org.opencontainers.image.source="https://github.com/hsn723/postfix_exporter" \
org.opencontainers.image.authors="Hsn723" \
org.opencontainers.image.title="postfix_exporter"
+ARG TARGETPLATFORM +ARG TARGETPLATFORM
+ARG TARGETOS +ARG TARGETOS
+ARG TARGETARCH +ARG TARGETARCH
+ARG TARGETVARIANT +ARG TARGETVARIANT
+ +
WORKDIR /src +WORKDIR /src
+
# avoid downloading the dependencies on succesive builds +# avoid downloading the dependencies on successive builds
@@ -14,10 +20,18 @@ COPY . . +RUN apt-get update -qq && apt-get install -qqy \
+ build-essential \
# Force the go compiler to use modules + libsystemd-dev
ENV GO111MODULE=on +
-RUN go test +COPY go.mod go.sum ./
-RUN go build -o /bin/postfix_exporter +RUN go mod download
+RUN go mod verify
+
+COPY . .
+
+# Force the go compiler to use modules
+ENV GO111MODULE=on
+# go test fails (sometimes) because it relies on an external dependency: +# go test fails (sometimes) because it relies on an external dependency:
+# +#
+# warning: SASL authentication failure: cannot connect to saslauthd server: Permission denied +# warning: SASL authentication failure: cannot connect to saslauthd server: Permission denied
@ -30,9 +39,12 @@ index a3327d8..1cdfa84 100644
+# Hence disabling the test here. +# Hence disabling the test here.
+# RUN go test +# RUN go test
+RUN env GOOS="${TARGETOS}" GOARCH="${TARGETARCH}" GOARM="$( echo "$TARGETVARIANT" | grep -E -o "\\d+$")" go build -ldflags '-extldflags "-static"' -o /bin/postfix_exporter +RUN env GOOS="${TARGETOS}" GOARCH="${TARGETARCH}" GOARM="$( echo "$TARGETVARIANT" | grep -E -o "\\d+$")" go build -ldflags '-extldflags "-static"' -o /bin/postfix_exporter
+
-FROM debian:latest
+FROM scratch +FROM scratch
EXPOSE 9154 EXPOSE 9154
WORKDIR / -COPY postfix_exporter /
COPY --from=builder /bin/postfix_exporter /bin/ -COPY LICENSE /
-ENTRYPOINT ["/postfix_exporter"]
+WORKDIR /
+COPY --from=builder /bin/postfix_exporter /bin/
+ENTRYPOINT ["/bin/postfix_exporter"]