Use a cache-less Dockerfile for CI to try and avoid issues

.github/workflows/workflow.yml

@@ -53,3 +53,4 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          file: Dockerfile.ci

Dockerfile.ci

@@ -0,0 +1,35 @@
+#######################################
+#                                     #
+# Stage 1: building                   #
+#                                     #
+#######################################
+
+FROM docker.io/rust:1.81.0-slim-bookworm AS build
+
+RUN apt-get update && apt-get install -y build-essential pkg-config libssl-dev libsqlite3-dev
+
+WORKDIR /app
+
+COPY . /app
+
+RUN cargo build --release
+
+#######################################
+#                                     #
+# Stage 2: packaging                  #
+#                                     #
+#######################################
+
+FROM docker.io/debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y ca-certificates sqlite3 && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY --from=build /app/target/release/baibot .
+
+ENTRYPOINT ["/bin/sh", "-c"]
+
+CMD ["/app/baibot"]