Use alpine to build images

.github/workflows/build-docker-image.yml

@@ -45,7 +45,7 @@ jobs:
       - uses: depot/build-push-action@v1
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7
           project: 83rwjkn7g4
           push: true
           tags: ${{ steps.meta.outputs.tags }}

.tool-versions

@@ -1 +1 @@
-rust 1.76.0
+rust 1.75.0

Dockerfile

@@ -1,9 +1,10 @@
 ## builder
-FROM rust:1.76-bookworm AS builder
+FROM alpine:3.19 as builder
 
 WORKDIR /code/dnsdist-acme
 
 # setup build dependencies
+RUN apk add rust cargo
 RUN cargo init .
 COPY Cargo.toml Cargo.lock ./
 RUN cargo build --release
@@ -16,21 +17,24 @@ COPY /src/ ./src/
 RUN touch ./src/main.rs
 RUN cargo build --release
 
+
 ## dnstap
-FROM golang as dnstap
+FROM alpine:3.19 as dnstap
+RUN apk add go
 RUN go install github.com/dnstap/golang-dnstap/dnstap@v0.4.0
 
+
 ## runtime
-FROM debian:bookworm
+FROM alpine:3.19 as runtime
 
 WORKDIR /dnsdist-acme
 
 # install runtime dependencies
-RUN apt update && apt install -y dnsdist certbot
+RUN apk add gcompat certbot dnsdist
 
 # copy binary
 COPY --from=builder /code/dnsdist-acme/target/release/dnsdist-acme /usr/local/bin/dnsdist-acme
-COPY --from=dnstap /go/bin/dnstap /usr/bin/.
+COPY --from=dnstap /root/go/bin/dnstap /usr/bin/.
 
 RUN mkdir -p certs html/.well-known
 COPY dnsdist.conf dnsdist.conf