Fix: add postgres variables and build image workflow

.env.example

@@ -1,5 +1,12 @@
+VERSION=0.1.0
+
+# POSTGRES
+POSTGRES_USER=docker
+POSTGRES_PASSWORD=docker
+POSTGRES_DB=core
+
 LOGIN_ORIGIN=http://localhost:3000
-DATABASE_URL="postgresql://docker:docker@postgres:5432/postgres?schema=echo"
+DATABASE_URL="postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}?schema=echo"
 
 # This sets the URL used for direct connections to the database and should only be needed in limited circumstances
 # See: https://www.prisma.io/docs/reference/api-reference/prisma-schema-reference#fields:~:text=the%20shadow%20database.-,directUrl,-No

.github/workflows/build-docker-image.yml

@@ -0,0 +1,60 @@
+name: Build Docker Images
+
+on:
+  push:
+    tags:
+      - "*"
+  workflow_dispatch:
+
+jobs:
+  build-webapp:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: main
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Docker Registry
+        run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+
+      - name: Build and Push Frontend Docker Image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: redplanethq/core:${{ github.ref_name }}
+
+  build-server:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: main
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Docker Registry
+        run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+
+      - name: Build and Push Server Docker Image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: apps/server/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: redplanethq/core:${{ github.ref_name }}