chore(docker): dockerize app, add workflow to push image on gitea registry

docker/app/Dockerfile

@@ -0,0 +1,54 @@
+FROM dunglas/frankenphp:php8.4-alpine AS base
+
+RUN install-php-extensions \
+    intl \
+    opcache \
+    pdo_pgsql \
+    zip
+
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+
+WORKDIR /app
+
+###
+# Dev stage
+###
+FROM base AS dev
+
+COPY composer.json composer.lock symfony.lock ./
+RUN composer install --no-scripts --no-autoloader --prefer-dist
+
+COPY . .
+RUN composer dump-autoload
+
+ENV APP_ENV=dev \
+    SERVER_NAME=":80" \
+    POSTGRES_HOST=database \
+    POSTGRES_PORT=5432 \
+    POSTGRES_VERSION=16 \
+    POSTGRES_DB=app \
+    POSTGRES_USER=app \
+    POSTGRES_PASSWORD=pwd
+
+###
+# Prod stage
+###
+FROM base AS prod
+
+COPY composer.json composer.lock symfony.lock ./
+RUN composer install --no-dev --no-scripts --no-autoloader --prefer-dist
+
+COPY . .
+
+RUN APP_ENV=prod composer dump-autoload --classmap-authoritative \
+    && APP_ENV=prod composer run-script post-install-cmd \
+    && chown -R www-data:www-data var/
+
+ENV APP_ENV=prod \
+    SERVER_NAME=localhost \
+    POSTGRES_HOST=database \
+    POSTGRES_PORT=5432 \
+    POSTGRES_VERSION=16 \
+    POSTGRES_DB=app \
+    POSTGRES_USER=app \
+    POSTGRES_PASSWORD=pwd

docker/database/Dockerfile

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+FROM postgres:16-alpine
+
+ENV POSTGRES_DB=app \
+    POSTGRES_USER=app \
+    POSTGRES_PASSWORD=pwd
+
+# Add custom initialization scripts if needed:
+# COPY initdb/ /docker-entrypoint-initdb.d/