Example symfony and encore dockerfile

docker-compose.yaml

###############################################################################
#                          Generated on phpdocker.io                          #
###############################################################################
version: "3.4"
services:

    redis:
        image: redis:5-alpine

    mailhog:
        image: mailhog/mailhog:latest
        ports:
            - "12001:8025"

    postgres:
        image: postgres:9.6-alpine
        working_dir: /application
        volumes:
            - .:/application
        environment:
            - POSTGRES_USER=user
            - POSTGRES_PASSWORD=passwd
            - POSTGRES_DB=dbname

    webserver:
        image: pagespeed/nginx-pagespeed:stable
        working_dir: /application
        volumes:
            - .:/application
            - ./infrastructure/nginx/nginx.conf:/etc/nginx/conf.d/default.conf
            - ./infrastructure/local/:/etc/ssl/local/
        ports:
            - "12000:443"

    php-fpm:
        build:
            dockerfile: Dockerfile
            target: backend-dev
            context: .
        working_dir: /application
        volumes:
            - .:/application
            - ./infrastructure/php-fpm/php-ini-overrides.ini:/etc/php/7.3/fpm/conf.d/99-overrides.ini

    frontend-builder:
        image: node:10-alpine
        working_dir: /application
        volumes:
            - .:/application
        command: ['bin/frontend-builder.sh']

Dockerfile

###########
# Backend #
###########

# Dev env base container
FROM phpdockerio/php73-fpm:latest AS backend-dev
WORKDIR "/application"

# Fix debconf warnings upon build
ARG DEBIAN_FRONTEND=noninteractive

# Install selected extensions and other stuff
RUN apt-get update \
    && apt-get -y --no-install-recommends install \
        php7.3-pgsql \
        php-redis \
        jpegoptim \
        pngquant \
        gifsicle \
        php-imagick \
    && apt-get clean; rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/log/* /var/cache/* /usr/share/doc/*

# Deployment container
FROM backend-dev AS backend-deployment

ENV APP_ENV=prod
ENV APP_SECRET=""

ENV DB_HOST="postgres"
ENV DB_NAME="foo"
ENV DB_USER="user"
ENV DB_PASSWORD="passwd"

ENV REDIS_HOST="redis"

ENV MAILER_TRANSPORT=""
ENV MAILER_HOST=""
ENV MAILER_PORT=""
ENV MAILER_USER=""
ENV MAILER_PASSWORD=""

ENV CONTACT_EMAIL_TO=""
ENV CONTACT_EMAIL_FROM=""
ENV CONTACT_EMAIL_SUBJECT=""

ENV GCLOUD_BUCKET=""

ENV GOOGLE_ANALYTICS=""

COPY bin/console /application/bin/
COPY composer.*  /application/

RUN composer install --no-dev --no-scripts; \
    composer clear-cache

COPY infrastructure/php-fpm/php-ini-overrides.ini  /etc/php/7.3/fpm/conf.d/z-overrides.ini
COPY infrastructure/php-fpm/opcache-prod.ini       /etc/php/7.3/fpm/conf.d/z-opcache.ini
COPY infrastructure/php-fpm/php-fpm-pool-prod.conf /etc/php/7.3/fpm/pool.d/z-optimised.conf

COPY config           ./config
COPY public/index.php ./public/
COPY src              ./src
COPY templates        ./templates
COPY translations     ./translations

RUN composer dump-autoload --optimize --classmap-authoritative; \
    bin/console cache:warmup; \
    chown www-data:www-data /tmp/site-cache /tmp/site-logs -Rf

############
# Frontend #
############
# Symfony bundle assets installer (needed to grab any bundle static assets later)
FROM backend-deployment AS backend-bundle-installer
RUN bin/console assets:install

# Frontend code builder
FROM node:10-alpine AS frontend-build

WORKDIR /application

COPY package.json yarn.lock ./

RUN yarn install

COPY assets   ./assets
COPY webpack* ./
COPY public   ./public

RUN mkdir -p ./build/public/assets; \
    yarn run encore production

## Actual deployable image
FROM pagespeed/nginx-pagespeed:stable AS frontend-deployment

WORKDIR /application

RUN mkdir ./public; \
    touch ./public/index.php

COPY infrastructure/nginx/nginx.conf /etc/nginx/conf.d/default.conf

# NGINX config: update php-fpm hostname to localhost (same pod in k8s), activate pagespeed config, deactivate SSL as termination is done elsewhere
RUN sed -i "s/php-fpm/localhost/g"       /etc/nginx/conf.d/default.conf; \
    sed -i "s/# %DEPLOYMENT //g"         /etc/nginx/conf.d/default.conf; \
    sed -i "s/listen 443/#listen 443/g"  /etc/nginx/conf.d/default.conf; \
    sed -i "s/ssl_/#ssl_/g"              /etc/nginx/conf.d/default.conf

COPY --from=backend-bundle-installer /application/public/bundles       ./public/bundles
COPY --from=frontend-build           /application/build/public/assets  ./public/assets

Makefile

ifndef BUILD_TAG
	BUILD_TAG:=$(shell date +'%Y-%m-%d-%H-%M-%S')-$(shell git rev-parse --short HEAD)
endif

echo-build-tag:
	echo $(BUILD_TAG)

start:
	docker-compose up -d

stop:
	docker-compose kill

build-images:
	docker build --pull --target=backend-deployment  -t site-php-fpm .
	docker build --pull --target=frontend-deployment -t site-nginx   .

tag-images:
	docker tag site-nginx eu.gcr.io/xxxx/site-nginx:$(BUILD_TAG)
	docker tag site-php-fpm eu.gcr.io/xxxx/site-php-fpm:$(BUILD_TAG)

push-images:
	docker push eu.gcr.io/xxxx/site-nginx:$(BUILD_TAG)
	docker push eu.gcr.io/xxxx/site-php-fpm:$(BUILD_TAG)

build-and-push: build-images tag-images push-images