Docker and testing changes

[wolnelektury.git] / Dockerfile

diff --git a/Dockerfile b/Dockerfile
index ed113fe..7d4c875 100644 (file)
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,32 @@
-FROM python:3.9-trixie AS base
+# Wolne Lektury images.
+#
+# Stages marked with ##### are build targets:
+#   deps      dev image (docker-compose.yml, code mounted)
+#   test      docker-compose.test.yml
+#   prod      production app image (default, last stage)
+#   nginx     production nginx with static files
+#   postgres  Postgres with Polish dictionary
+# Stages marked with ===== are intermediate.
 
-ARG UID=1000
-ARG GID=1000
+
+# Global build arguments. Stages using UID/GID must redeclare them
+# (bare `ARG UID`) to bring them into scope; the defaults are set here.
+
+ARG PYTHON_IMAGE=python:3.9-trixie
+ARG UID=8100
+ARG GID=8100
+
+
+##########
+#  deps  #############################################################
+#
+#  Base system and requirements.
+#  Used directly as the dev image, with code mounted.
+#
+FROM ${PYTHON_IMAGE} AS deps
+
+ARG UID
+ARG GID
 
 RUN     apt-get update && apt-get install -y \
        git \
@@ -37,13 +62,112 @@ WORKDIR /app/src
 
 RUN mkdir /app/.ipython
 
-FROM base AS dev
-
-#RUN pip install --no-cache-dir coverage
 
+#=======#
+#  app  #=============================================================
+#
+#  Code and production requirements. Not production yet: needs
+#  staticfiles.json manifest from static-builder.
+#
+FROM deps AS app
 
-FROM base AS prod
+USER root
 
 RUN pip install --no-cache-dir gunicorn
 
+USER app
+
 COPY src /app/src
+
+
+#==================#
+#  static-builder  #==================================================
+#
+#  Static files are collected here. Statics are then copied into
+#  the nginx image, and staticfiles.json manifest is copied back
+#  into the test and prod images.
+#
+FROM app AS static-builder
+
+RUN python manage.py collectstatic --noinput
+
+
+###########
+#  nginx  ############################################################
+#
+#  Static files for production nginx. Config is mounted.
+#
+FROM nginx:alpine AS nginx
+
+ARG UID
+ARG GID
+
+# COPY nginx.conf conf.d/...
+
+RUN addgroup -g $GID app && addgroup nginx app
+COPY --from=static-builder /app/var/static /app/var/static
+
+
+#===============#
+#  polish-dict  #=====================================================
+#
+#  Polish hunspell dictionary without diacritics, to allow
+#  full text search without diacritics.
+#
+FROM ${PYTHON_IMAGE} AS polish-dict
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends hunspell-pl \
+ && rm -rf /var/lib/apt/lists/*
+
+COPY scripts/fold_hunspell.py /usr/local/bin/fold_hunspell.py
+
+RUN set -eu; \
+    mkdir /out; cd /tmp; \
+    enc="$(sed -n 's/^SET[[:space:]]*//p' /usr/share/hunspell/pl_PL.aff | tr -d '\r')"; \
+    iconv -f "${enc:-UTF-8}" -t UTF-8 /usr/share/hunspell/pl_PL.dic > pl.dict; \
+    iconv -f "${enc:-UTF-8}" -t UTF-8 /usr/share/hunspell/pl_PL.aff > pl.affix; \
+    python3 /usr/local/bin/fold_hunspell.py pl.dict pl.affix \
+        /out/polish.dict /out/polish.affix; \
+    dpkg-query -W -f='hunspell-pl ${Version}\n' hunspell-pl > /out/polish.version
+
+
+##############
+#  postgres  #########################################################
+#
+#  Postgres with the dictionary from polish-dict.
+#
+FROM postgres:18 AS postgres
+
+COPY --from=polish-dict /out/ /tmp/polish-dict/
+RUN mv /tmp/polish-dict/* "/usr/share/postgresql/$PG_MAJOR/tsearch_data/" \
+ && rmdir /tmp/polish-dict
+
+COPY scripts/postgres-polish.sql /docker-entrypoint-initdb.d/10-postgres-polish.sql
+
+
+##########
+#  test  #############################################################
+#
+#  Production image plus test requirements. Defined before `prod`,
+#  so that `prod` stays the default (last) stage.
+#
+FROM app AS test
+
+USER root
+COPY requirements/requirements-test.txt /tmp/
+RUN pip install --no-cache-dir -r /tmp/requirements-test.txt
+USER app
+RUN mkdir -p /app/var/counters
+COPY --from=static-builder /app/var/static/staticfiles.json /app/var/static/staticfiles.json
+CMD ["./manage.py", "test"]
+
+
+##########
+#  prod  #############################################################
+#
+#  Production image: app + staticfiles.json manifest.
+#
+FROM app AS prod
+
+COPY --from=static-builder /app/var/static/staticfiles.json /app/var/static/staticfiles.json