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web-app-chess: fix Corepack/Yarn EACCES and switch to ARG-driven Dockerfile

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• Add roles/web-app-chess/files/Dockerfile using build ARGs (CHESS_VERSION, CHESS_REPO_URL, CHESS_REPO_REF, CHESS_ENTRYPOINT_REL, CHESS_ENTRYPOINT_INT, CHESS_APP_DATA_DIR, CONTAINER_PORT). Enable Corepack/Yarn as root in the runtime stage to avoid EACCES on /usr/local/bin symlinks, then drop privileges to 'node'.

• Delete Jinja-based templates/Dockerfile.j2; docker-compose now passes former Jinja vars via build.args. • Update templates/docker-compose.yml.j2 to forward all required build args. • Update config/main.yml: add CSP flag 'script-src-elem: unsafe-inline'.

Ref: https://chatgpt.com/share/68b88d3d-3bd8-800f-9723-e8df0cdc37e2
This commit is contained in:
Kevin Veen-Birkenbach
2025-09-03 20:47:50 +02:00
parent 699a6b6f1e
commit 33a5fadf67
4 changed files with 77 additions and 53 deletions
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52
roles/web-app-chess/templates/Dockerfile.j2
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@@ -1,52 +0,0 @@
# Multi-stage build for castling.club
# Stage 1: build
FROM node:{{ CHESS_VERSION }} AS build
ARG CHESS_REPO_URL={{ CHESS_REPO_URL }}
ARG CHESS_REPO_REF={{ CHESS_REPO_REF }}
RUN apt-get update && apt-get install -y --no-install-recommends \
git ca-certificates openssl dumb-init python3 build-essential \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /src
RUN git clone --depth 1 --branch "${CHESS_REPO_REF}" "${CHESS_REPO_URL}" ./
# Use Yarn 4 for the build
RUN corepack enable && corepack prepare yarn@4.9.1 --activate && yarn -v
RUN yarn install --immutable --inline-builds
RUN yarn build
# Stage 2: runtime
FROM node:{{ CHESS_VERSION }}
WORKDIR /app
# Minimal runtime packages + dumb-init (+ curl for healthcheck)
RUN apt-get update && apt-get install -y --no-install-recommends \
bash openssl dumb-init postgresql-client ca-certificates curl \
&& rm -rf /var/lib/apt/lists/*
# Copy built app from builder
COPY --from=build /src /app
# Entrypoint script (root so chmod works in /usr/local/bin)
COPY {{ CHESS_ENTRYPOINT_REL }} {{ CHESS_ENTRYPOINT_INT }}
RUN chmod +x {{ CHESS_ENTRYPOINT_INT }}
# Create data dir for signing keys and Yarn cache; fix ownership
RUN mkdir -p {{ CHESS_APP_DATA_DIR }} /app/.yarn/cache /home/node \
&& chown -R node:node /app /home/node
# Use project-local yarn cache (avoid /root/.yarn)
ENV YARN_ENABLE_GLOBAL_CACHE=false
ENV YARN_CACHE_FOLDER=/app/.yarn/cache
# Switch to non-root and prep yarn 4
USER node
ENV HOME=/home/node
RUN corepack enable && corepack prepare yarn@4.9.1 --activate && yarn -v
EXPOSE {{ container_port }}
ENTRYPOINT ["dumb-init", "--"]
CMD ["{{ CHESS_ENTRYPOINT_INT }}"]

5
roles/web-app-chess/templates/docker-compose.yml.j2
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@@ -4,8 +4,13 @@
context: .
dockerfile: Dockerfile
args:
CHESS_VERSION: "{{ CHESS_VERSION }}"
CHESS_REPO_URL: "{{ CHESS_REPO_URL }}"
CHESS_REPO_REF: "{{ CHESS_REPO_REF }}"
CHESS_ENTRYPOINT_REL: "{{ CHESS_ENTRYPOINT_REL }}"
CHESS_ENTRYPOINT_INT: "{{ CHESS_ENTRYPOINT_INT }}"
CHESS_APP_DATA_DIR: "{{ CHESS_APP_DATA_DIR }}"
CONTAINER_PORT: "{{ container_port | string }}"
image: "{{ CHESS_CUSTOM_IMAGE }}"
container_name: "{{ CHESS_CONTAINER }}"
hostname: "{{ CHESS_HOSTNAME }}"