supports rootless docker

.github/workflows/ci.yaml

@@ -79,7 +79,6 @@ jobs:
           --rm \
           -v ${{ github.workspace }}:${{ github.workspace }} \
           -w ${{ github.workspace }} \
-          -u 1000:1000 \
           wiki-ci:build-$BUILD_ID \
           sh -c 'cargo build --bin ci'
 

images/build.Dockerfile

@@ -2,30 +2,30 @@ ARG NODE_VERSION="21.7.3"
 
 FROM node:${NODE_VERSION}
 
+USER root:root
+
 ARG NPM_VERSION="10.5.2"
 ARG RUST_VERSION="1.77.2"
 
-RUN npm install --verbose -g npm@${NPM_VERSION}
-
-USER 1000:1000
+RUN [ "$(npm --version)" = "${NPM_VERSION}" ] || npm install --verbose -g npm@${NPM_VERSION}
 
-ENV PATH=$PATH:/home/node/.cargo/bin
+ENV PATH=$PATH:/root/.cargo/bin
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain ${RUST_VERSION}
 
 WORKDIR /ci
-COPY --chown=1000:1000 ./ui/package.json .
-COPY --chown=1000:1000 ./ui/package-lock.json .
+COPY ./ui/package.json .
+COPY ./ui/package-lock.json .
 RUN npm install --verbose
 
 RUN mkdir wiki
 RUN cd wiki &&\
     cargo new ci &&\
     cargo new tools &&\
     cargo new wiki
-COPY --chown=1000:1000 ./Cargo.lock ./wiki/
-COPY --chown=1000:1000 ./Cargo.toml ./wiki/
-COPY --chown=1000:1000 ./ci/Cargo.toml ./wiki/ci/
-COPY --chown=1000:1000 ./tools/Cargo.toml ./wiki/tools/
-COPY --chown=1000:1000 ./wiki/Cargo.toml ./wiki/wiki/
+COPY ./Cargo.lock ./wiki/
+COPY ./Cargo.toml ./wiki/
+COPY ./ci/Cargo.toml ./wiki/ci/
+COPY ./tools/Cargo.toml ./wiki/tools/
+COPY ./wiki/Cargo.toml ./wiki/wiki/
 RUN cd wiki &&\
     cargo fetch -vv

images/e2e.Dockerfile

@@ -14,9 +14,11 @@ ARG CYPRESS_VERSION=
 
 FROM cypress/factory:3.5.4
 
-USER 1000:1000
+ARG NPM_VERSION="10.5.2"
+
+RUN [ "$(npm --version)" = "${NPM_VERSION}" ] || npm install --verbose -g npm@${NPM_VERSION}
 
 WORKDIR /ci
-COPY --chown=1000:1000 ./ui/package.json .
-COPY --chown=1000:1000 ./ui/package-lock.json .
+COPY ./ui/package.json .
+COPY ./ui/package-lock.json .
 RUN npm install --verbose