refactor(docker-compose): combine dockerfiles with entrypoint (#727)

* combine worker and main image, support encryption key, app secret key env, and postgres pw

* Update docker/entrypoint.sh

fix env file path

Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

* add build tag, move compose to root

* add volumes

* style: remove trailing indent

* refactor(docker-compose): empty encryption env. vars

* docs(docker-compose): update compose folder

* refactor(docker-compose): remove host network

* fix(docker-compose): add environment variable keys

Co-authored-by: Ali BARIN <ali.barin53@gmail.com>

docker/Dockerfile

@@ -3,8 +3,9 @@ FROM node:16
 WORKDIR /automatisch
 
 RUN apt-get update && apt-get install -y postgresql-client
-
-COPY ./wait-for-postgres.sh /automatisch/wait-for-postgres.sh
+COPY ./entrypoint.sh /entrypoint.sh
 
 RUN yarn global add @automatisch/cli@0.2.0
-CMD sh /automatisch/wait-for-postgres.sh automatisch start-worker --env-file /automatisch/storage/.env
+
+EXPOSE 3000
+ENTRYPOINT /entrypoint.sh

docker/compose/docker-compose.yml

@@ -1,46 +0,0 @@
-version: '3.9'
-services:
-  main:
-    build:
-      context: ../images/main
-      network: host
-    ports:
-      - '3000:3000'
-    depends_on:
-      - postgres
-      - redis
-    environment:
-      - HOST=localhost
-      - PROTOCOL=http
-      - PORT=3000
-      - APP_ENV=production
-      - REDIS_HOST=redis
-      - POSTGRES_HOST=postgres
-      - POSTGRES_DATABASE=automatisch
-      - POSTGRES_USERNAME=automatisch_user
-    volumes:
-      - automatisch_storage:/automatisch/storage
-  worker:
-    build:
-      context: ../images/worker
-      network: host
-    depends_on:
-      - main
-    environment:
-      - APP_ENV=production
-      - REDIS_HOST=redis
-      - POSTGRES_HOST=postgres
-      - POSTGRES_DATABASE=automatisch
-      - POSTGRES_USERNAME=automatisch_user
-    volumes:
-      - automatisch_storage:/automatisch/storage
-  postgres:
-    image: 'postgres:14.5'
-    environment:
-      POSTGRES_HOST_AUTH_METHOD: trust
-      POSTGRES_DB: automatisch
-      POSTGRES_USER: automatisch_user
-  redis:
-    image: 'redis:7.0.4'
-volumes:
-  automatisch_storage:

docker/entrypoint.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set -e
+
+export PGPASSWORD="$POSTGRES_PASSWORD"
+
+until psql -h "$POSTGRES_HOST" -U "$POSTGRES_USERNAME" -d "$POSTGRES_DATABASE" -c '\q'; do
+  >&2 echo "Waiting for Postgres to be ready..."
+  sleep 1
+done
+
+if [ ! -f /automatisch/storage/.env ]; then
+  >&2 echo "Saving environment variables"
+  ENCRYPTION_KEY="${ENCRYPTION_KEY:-$(openssl rand -base64 36)}"
+  APP_SECRET_KEY="${APP_SECRET_KEY:-$(openssl rand -base64 36)}"
+  echo "ENCRYPTION_KEY=$ENCRYPTION_KEY" >> /automatisch/storage/.env
+  echo "APP_SECRET_KEY=$APP_SECRET_KEY" >> /automatisch/storage/.env
+fi
+
+>&2 echo "Postgres is up - executing command"
+
+if [ -n "$WORKER" ]; then
+  automatisch start-worker --env-file /automatisch/storage/.env
+else
+  automatisch start --env-file /automatisch/storage/.env
+fi

docker/images/main/Dockerfile

@@ -1,15 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM node:16
-WORKDIR /automatisch
-
-RUN apt-get update && apt-get install -y postgresql-client
-COPY ./wait-for-postgres.sh /automatisch/wait-for-postgres.sh
-
-RUN mkdir -p /automatisch/storage
-RUN touch /automatisch/storage/.env
-RUN echo "ENCRYPTION_KEY=$(openssl rand -base64 36)" >> /automatisch/storage/.env
-RUN echo "APP_SECRET_KEY=$(openssl rand -base64 36)" >> /automatisch/storage/.env
-RUN yarn global add @automatisch/cli@0.2.0
-
-EXPOSE 3000
-CMD sh /automatisch/wait-for-postgres.sh automatisch start --env-file=/automatisch/storage/.env