Switch to debian:trixie-slim image

.dockerignore

@@ -0,0 +1 @@
+**/*.o

Dockerfile

@@ -1,36 +1,34 @@
 # build
-FROM alpine:3 as build
+FROM debian:trixie-slim as build
 
 WORKDIR /usr/src/app
 
-RUN apk update && apk upgrade && apk add \
-linux-headers \
+RUN apt update && apt upgrade -y && apt install -y \
 git \
-clang18 \
-make \
-sqlite-dev
+clang \
+build-essential \
+libsqlite3-dev
 
 COPY src ./src
 COPY vendor ./vendor
 COPY .git ./.git
 COPY Makefile CMakeLists.txt version.h.in ./
 
-RUN sed -i 's/^CC=clang$/&-18/' Makefile
-RUN sed -i 's/^CXX=clang++$/&-18/' Makefile
-
 RUN make nosandbox -j$(nproc)
 
+# export-only stage: `docker build --target=export --output=./bin .`
+FROM scratch AS export
+COPY --from=build /usr/src/app/bin/fusion /fusion
+
 # prod
-FROM alpine:3
+FROM debian:trixie-slim
 
 WORKDIR /usr/src/app
 
-RUN apk update && apk upgrade && apk add \
-libstdc++ \
-sqlite-dev
+RUN apt update && apt upgrade -y && apt install -y \
+libsqlite3-dev
 
 COPY --from=build /usr/src/app/bin/fusion /bin/fusion
-COPY sql ./sql
 
 CMD ["/bin/fusion"]
 

build_docker.sh

@@ -0,0 +1 @@
+docker build --target=export --output=./bin .

docker-compose.yml

@@ -8,6 +8,7 @@ services:
       - ./config.ini:/usr/src/app/config.ini
       - ./database.db:/usr/src/app/database.db
       - ./tdata:/usr/src/app/tdata
+      - ./sql:/usr/src/app/sql
     ports:
       - "23000:23000"
       - "23001:23001"