use docker as build system

.woodpecker/build-and-publish.yml

@@ -3,26 +3,6 @@ when:
     branch: main
 
 steps:
-  - name: build-x86_64
-    image: rust:bookworm
-    commands:
-      - cargo build --release
-      - cp target/release/backend target/backend-amd64
-  - name: build-arm64
-    image: rust:bookworm
-    commands:
-      - install -m 0755 -d /etc/apt/keyrings
-      - curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
-      - chmod a+r /etc/apt/keyrings/docker.asc
-      - echo \
-          "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
-          $(. /etc/os-release && echo "$VERSION_CODENAME") stable" > /etc/apt/sources.list.d/docker.list
-      - apt-get update && apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-      - CROSS_CONTAINER_IN_CONTAINER=true cargo install -f cross
-      - CROSS_CONTAINER_IN_CONTAINER=true cross build --target=aarch64-unknown-linux-gnu --release
-      - cp target/aarch64-unknown-linux/release/backend target/backend-arm64
-    volumes:
-      - /var/run/podman/podman.sock:/var/run/docker.sock
   - name: container-build-and-publish
     image: docker
     commands:
@@ -32,4 +12,4 @@ steps:
       PASSWORD:
         from_secret: docker_password
     volumes:
-      - /var/run/podman/podman.sock:/var/run/docker.sock
+      - /var/run/podman/podman.sock:/var/run/docker.sock

Dockerfile

@@ -1,8 +1,16 @@
+FROM rust:bookworm AS builder
+
+WORKDIR /src
+
+COPY . .
+
+RUN cargo build --release
+
 FROM debian:12-slim
 
 RUN apt update && apt install libssl3 && rm -rf /var/lib/apt/lists/* /var/cache/apt/* /tmp/*
 
-COPY target/release/backend-${TARGETARCH} /usr/bin/gorb-backend
+COPY --from=builder /src/target/release/backend /usr/bin/gorb-backend
 
 COPY entrypoint.sh /usr/bin/entrypoint.sh
 
@@ -10,10 +18,6 @@ RUN useradd --create-home --home-dir /gorb gorb
 
 USER gorb
 
-ENV DATABASE_USERNAME="gorb"
-ENV DATABASE_PASSWORD="gorb"
-ENV DATABASE="gorb"
-ENV DATABASE_HOST="localhost"
-ENV DATABASE_PORT="5432"
+ENV DATABASE_USERNAME="gorb" DATABASE_PASSWORD="gorb" DATABASE="gorb" DATABASE_HOST="localhost" DATABASE_PORT="5432"
 
 ENTRYPOINT ["/usr/bin/entrypoint.sh"]