Replace Ansible with Shell script

* Remove Ansible and all Python packages
* Reduce image size by 452 MB (689 MB => 237 MB uncompressed)

Author: ngosang

Dockerfile

@@ -1,17 +1,19 @@
+FROM golang:alpine3.16 as builder
+
+# envsubst from gettext can not replace env vars with default values
+# this package is not available for ARM32 and we have to build it from source code
+RUN go install -v github.com/a8m/envsubst/cmd/envsubst@v1.3.0
+
 FROM alpine:3.16
 
-LABEL maintainer "Marvin Steadfast <marvin@xsteadfastx.org>"
+COPY --from=builder /go/bin/envsubst /usr/bin/envsubst
 
 ARG WALLABAG_VERSION=2.5.2
 
 RUN set -ex \
- && apk update \
- && apk upgrade --available \
- && apk add \
-      ansible \
+ && apk add --no-cache \
       curl \
       libwebp \
-      mariadb-client \
       nginx \
       pcre \
       php8 \
@@ -40,9 +42,8 @@ RUN set -ex \
       php8-xmlreader \
       php8-tidy \
       php8-intl \
-      py3-mysqlclient \
-      py3-psycopg2 \
-      py-simplejson \
+      mariadb-client \
+      postgresql14-client \
       rabbitmq-c \
       s6 \
       tar \
@@ -59,13 +60,14 @@ RUN set -ex \
 COPY root /
 
 RUN set -ex \
- && mv /var/www/wallabag/app /tmp/app \
  && curl -L -o /tmp/wallabag.tar.gz https://github.com/wallabag/wallabag/archive/$WALLABAG_VERSION.tar.gz \
  && tar xvf /tmp/wallabag.tar.gz -C /tmp \
+ && mkdir /var/www/wallabag \
  && mv /tmp/wallabag-*/* /var/www/wallabag/ \
  && rm -rf /tmp/wallabag* \
- && mv /tmp/app/config/parameters.yml /var/www/wallabag/app/config/parameters.yml \
+ && mv /etc/wallabag/* /var/www/wallabag/app/config/ \
  && cd /var/www/wallabag \
+ && mkdir data/assets \
  && SYMFONY_ENV=prod composer install --no-dev -o --prefer-dist --no-progress \
  && rm -rf /root/.composer/* /var/www/wallabag/var/cache/* /var/www/wallabag/var/logs/* /var/www/wallabag/var/sessions/* \
  && chown -R nobody:nobody /var/www/wallabag

root/entrypoint.sh

@@ -1,27 +1,65 @@
 #!/bin/sh
 
+COMMAND_ARG1="$1"
+COMMAND_ARG2="$2"
+
+cd /var/www/wallabag || exit
+
 provisioner () {
-    echo "Starting provisioner..."
-    if ! out=`ansible-playbook -i /etc/ansible/hosts /etc/ansible/entrypoint.yml -c local "$@"`;then
-        echo $out;
+    SYMFONY__ENV__DATABASE_DRIVER=${SYMFONY__ENV__DATABASE_DRIVER:-pdo_sqlite}
+    POPULATE_DATABASE=${POPULATE_DATABASE:-True}
+
+    envsubst < app/config/parameters.template.yml > app/config/parameters.yml
+
+    if [ "$SYMFONY__ENV__DATABASE_DRIVER" = "pdo_sqlite" ]; then
+        if [ ! -f "/var/www/wallabag/data/db/wallabag.sqlite" ]; then
+            su -c "php bin/console wallabag:install --env=prod -n" -s /bin/sh nobody
+        fi
+    fi
+
+    if [ "$POPULATE_DATABASE" = "True" ] && [ "$SYMFONY__ENV__DATABASE_DRIVER" = "pdo_mysql" ]; then
+        timeout 60s /bin/sh -c "until echo 'Waiting for MariaDB ...' && mysql -h ${SYMFONY__ENV__DATABASE_HOST} --port ${SYMFONY__ENV__DATABASE_PORT} -uroot -p${MYSQL_ROOT_PASSWORD} -e 'show databases;' > /dev/null 2>&1 ; do sleep 1 ; done"
+        mysql -h "${SYMFONY__ENV__DATABASE_HOST}" --port "${SYMFONY__ENV__DATABASE_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" \
+            -e "CREATE DATABASE ${SYMFONY__ENV__DATABASE_NAME} CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
+        if [ "$SYMFONY__ENV__DATABASE_USER" != "root" ]; then
+            mysql -h "${SYMFONY__ENV__DATABASE_HOST}" --port "${SYMFONY__ENV__DATABASE_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" \
+                -e "CREATE USER '${SYMFONY__ENV__DATABASE_USER}'@'%' IDENTIFIED BY '${SYMFONY__ENV__DATABASE_PASSWORD}';"
+            mysql -h "${SYMFONY__ENV__DATABASE_HOST}" --port "${SYMFONY__ENV__DATABASE_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" \
+                -e "GRANT ALL PRIVILEGES ON ${SYMFONY__ENV__DATABASE_NAME}.* TO '${SYMFONY__ENV__DATABASE_USER}'@'%';"
+        fi
+        su -c "php bin/console wallabag:install --env=prod -n" -s /bin/sh nobody
+    fi
+
+    if [ "$POPULATE_DATABASE" = "True" ] && [ "$SYMFONY__ENV__DATABASE_DRIVER" = "pdo_pgsql" ]; then
+        export PGPASSWORD="${POSTGRES_PASSWORD}"
+        timeout 60s /bin/sh -c "until echo 'Waiting for Postgres ...' && pg_isready -h ${SYMFONY__ENV__DATABASE_HOST} -p ${SYMFONY__ENV__DATABASE_PORT} -U ${POSTGRES_USER} > /dev/null 2>&1 ; do sleep 1 ; done"
+        psql -q -h "${SYMFONY__ENV__DATABASE_HOST}" -p "${SYMFONY__ENV__DATABASE_PORT}" -U "${POSTGRES_USER}" \
+            -c "CREATE DATABASE ${SYMFONY__ENV__DATABASE_NAME};"
+        if [ "$SYMFONY__ENV__DATABASE_USER" != "postgres" ]; then
+            psql -q -h "${SYMFONY__ENV__DATABASE_HOST}" -p "${SYMFONY__ENV__DATABASE_PORT}" -U "${POSTGRES_USER}" \
+                -c "CREATE ROLE ${SYMFONY__ENV__DATABASE_USER} with PASSWORD '${SYMFONY__ENV__DATABASE_PASSWORD}' LOGIN;"
+        fi
+        su -c "php bin/console wallabag:install --env=prod -n" -s /bin/sh nobody
     fi
-    echo "Provisioner finished."
+
+    rm -f -r /var/www/wallabag/var/cache
+    su -c "SYMFONY_ENV=prod composer install --no-dev -o --prefer-dist" -s /bin/sh nobody
 }
 
-if [ "$1" = "wallabag" ];then
+if [ "$COMMAND_ARG1" = "wallabag" ]; then
+    echo "Starting Wallabag..."
     provisioner
+    echo "Wallabag is ready!"
     exec s6-svscan /etc/s6/
 fi
 
-if [ "$1" = "import" ];then
-    provisioner --skip-tags=firstrun
-    cd /var/www/wallabag/
-    exec su -c "bin/console wallabag:import:redis-worker --env=prod $2 -vv" -s /bin/sh nobody
+if [ "$COMMAND_ARG1" = "import" ]; then
+    provisioner
+    exec su -c "bin/console wallabag:import:redis-worker --env=prod $COMMAND_ARG2 -vv" -s /bin/sh nobody
 fi
 
-if [ "$1" = "migrate" ];then
+if [ "$COMMAND_ARG1" = "migrate" ]; then
     provisioner
-    cd /var/www/wallabag/
     exec su -c "bin/console doctrine:migrations:migrate --env=prod --no-interaction" -s /bin/sh nobody
 fi