docker to regenerate files

Dockerfile

@@ -0,0 +1,38 @@
+# Build capnpc from Rust source
+FROM rust:1.81-alpine AS capnpc-builder
+WORKDIR /app
+COPY Cargo.toml Cargo.lock ./
+COPY capnp/ capnp/
+COPY capnpc/ capnpc/
+# Limit workspace to only needed crates
+RUN sed -i '/^members/,/^\]/c\members = ["capnp", "capnpc"]' Cargo.toml
+RUN cargo build --release -p capnpc
+
+# Build capnp from C++ source
+FROM alpine:3.21 AS capnp-builder
+
+RUN apk add --no-cache \
+    build-base \
+    cmake \
+    curl \
+    linux-headers
+
+RUN curl -fSL -O "https://capnproto.org/capnproto-c++-1.0.1.tar.gz" \
+  && tar zxf "capnproto-c++-1.0.1.tar.gz"
+
+RUN cd "capnproto-c++-1.0.1" \
+  && cmake -B build \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=/opt/capnp \
+    -DBUILD_SHARED_LIBS=OFF \
+    -DCMAKE_EXE_LINKER_FLAGS="-static" \
+  && cmake --build build -j"$(nproc)" \
+  && cmake --install build
+
+ENV PATH="/opt/capnp/bin:${PATH}"
+
+FROM alpine:3.21
+
+COPY --from=capnpc-builder /app/target/release/capnpc-rust /usr/local/bin/
+COPY --from=capnpc-builder /app/target/release/capnpc-rust-bootstrap /usr/local/bin/
+COPY --from=capnp-builder /opt/capnp/bin/capnp /usr/local/bin/

regenerate-capnp-schema-code.sh

@@ -3,6 +3,7 @@
 set -e
 set -x
 
-cargo build -p capnpc
-capnp compile -otarget/debug/capnpc-rust-bootstrap:capnp/src capnp/schema.capnp --src-prefix capnp/ -I. --no-standard-import
+docker build --tag capnpc-rust .
+docker run --rm -v "$(pwd)":/work -w /work capnpc-rust \
+  capnp compile -o/usr/local/bin/capnpc-rust-bootstrap:capnp/src capnp/schema.capnp --src-prefix capnp/ -I. --no-standard-import
 rustfmt capnp/src/schema_capnp.rs

regenerate-rpc-schema-code.sh

@@ -3,6 +3,7 @@
 set -e
 set -x
 
-cargo build -p capnpc
-capnp compile -otarget/debug/capnpc-rust:capnp-rpc/src capnp-rpc/schema/rpc.capnp capnp-rpc/schema/rpc-twoparty.capnp --src-prefix capnp-rpc/schema/ -I. --no-standard-import
+docker build --tag capnpc-rust .
+docker run --rm -v "$(pwd)":/work -w /work capnpc-rust \
+  capnp compile -o/usr/local/bin/capnpc-rust:capnp-rpc/src capnp-rpc/schema/rpc.capnp capnp-rpc/schema/rpc-twoparty.capnp --src-prefix capnp-rpc/schema/ -I. --no-standard-import
 rustfmt capnp-rpc/src/rpc_capnp.rs capnp-rpc/src/rpc_twoparty_capnp.rs