Add reusable kind test job execution

Dockerfile.test

@@ -21,6 +21,27 @@ COPY crates crates
 COPY docs/api docs/api
 CMD ["sh", "-c", "cargo fmt --all --check && cargo clippy --workspace --all-targets --all-features -- -D warnings && cargo nextest run --workspace --all-features && cargo test --workspace --doc"]
 
+FROM rust-tools AS kind-sample-build
+WORKDIR /workspace
+COPY Cargo.toml Cargo.lock rust-toolchain.toml ./
+COPY .config .config
+COPY contracts contracts
+COPY crates crates
+COPY docs/api docs/api
+RUN cargo nextest archive \
+    --package remora-api \
+    --lib \
+    --build-jobs 4 \
+    --locked \
+    --archive-file /tmp/remora-api-tests.tar.zst
+
+FROM rust-tools AS kind-sample-runner
+WORKDIR /workspace
+COPY Cargo.toml ./
+COPY crates crates
+COPY --from=kind-sample-build /tmp/remora-api-tests.tar.zst /tests/remora-api-tests.tar.zst
+CMD ["bash", "-ec", "cargo-nextest nextest run --archive-file /tests/remora-api-tests.tar.zst --workspace-remap /workspace && exec 3<>/dev/tcp/postgres/5432"]
+
 FROM ${NODE_IMAGE} AS node-runtime
 
 FROM ${PLAYWRIGHT_IMAGE} AS web-dependencies