Merge pull request #3 from ragibkl/alpine-image

rebuild using alpine

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

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

.tool-versions

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

Dockerfile

@@ -1,11 +1,16 @@
 ## builder
-FROM rust:1.76-bookworm AS builder
+FROM alpine:3.19 AS builder
 
 WORKDIR /code/bancuh-dns
 
 # install system dependencies
-RUN apt-get update
-RUN apt-get install -y clang
+RUN apk add build-base \
+    cargo \
+    clang \
+    clang-dev \
+    clang-libs \
+    linux-headers \
+    rust
 
 # setup build dependencies
 RUN cargo init .
@@ -22,17 +27,16 @@ RUN cargo build --release
 
 
 ## runtime
-FROM debian:bookworm AS runtime
+FROM alpine:3.19 AS runtime
 
 # install runtime dependencies
-RUN apt-get update
-RUN apt-get install -y openssl libc6 libstdc++6 bind9
+RUN apk add openssl bind libgcc libstdc++
 
 # set default logging, can be overridden
 ENV RUST_LOG=info
 
 # copy bind config
-COPY named.conf.options /etc/bind/named.conf.options
+COPY named.conf /etc/bind/named.conf
 
 # copy binary
 COPY --from=builder /code/bancuh-dns/target/release/bancuh-dns /usr/local/bin/bancuh-dns

named.conf

@@ -0,0 +1,34 @@
+options {
+    directory "/var/bind";
+
+	listen-on port 5353 { any; };
+	listen-on-v6 port 5353 { any; };
+
+	allow-query { any; };
+	allow-recursion { any; };
+	allow-transfer { none; };
+
+	prefetch 10;
+	max-cache-size 256m;
+	max-cache-ttl 600;
+	max-ncache-ttl 600;
+};
+
+zone "." IN {
+	type hint;
+	file "named.ca";
+};
+
+zone "localhost" IN {
+	type master;
+	file "pri/localhost.zone";
+	allow-update { none; };
+	notify no;
+};
+
+zone "127.in-addr.arpa" IN {
+	type master;
+	file "pri/127.zone";
+	allow-update { none; };
+	notify no;
+};