feat: docker support for easy deployment

.gitignore

@@ -33,3 +33,6 @@ yarn-error.log*
 #just dev stuff
 dev/*
 yarn.lock
+
+# docker
+docker-compose.yml

Dockerfile

@@ -0,0 +1,34 @@
+# Thanks @yordis on Github! https://github.com/vercel/next.js/discussions/16995#discussioncomment-132339
+
+# Install dependencies only when needed
+FROM node:lts-alpine AS deps
+
+WORKDIR /opt/app
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile
+
+# Rebuild the source code only when needed
+# This is where because may be the case that you would try
+# to build the app based on some `X_TAG` in my case (Git commit hash)
+# but the code hasn't changed.
+FROM node:lts-alpine AS builder
+
+ENV NODE_ENV=production
+WORKDIR /opt/app
+COPY . .
+COPY --from=deps /opt/app/node_modules ./node_modules
+RUN yarn build
+
+# Production image, copy all the files and run next
+FROM node:lts-alpine AS runner
+
+ARG X_TAG
+WORKDIR /opt/app
+ENV NODE_ENV=production
+COPY --from=builder /opt/app/next.config.mjs ./
+COPY --from=builder /opt/app/public ./public
+COPY --from=builder /opt/app/.next ./.next
+COPY --from=builder /opt/app/node_modules ./node_modules
+ENV HOST=0.0.0.0
+ENV PORT=3000
+CMD ["node_modules/.bin/next", "start"]

docker-compose.example.yml

@@ -0,0 +1,23 @@
+# docker-compose.yml
+
+version: '3'
+
+services:
+  frontend:
+    container_name: libremdb
+    build:
+      context: .
+      network: host
+    ports:
+      - "3000:3000"
+    env_file: .env.local
+    depends_on:
+      - redis
+    restart: always
+  redis:
+    container_name: libremdb_redis
+    image: redis
+    # FOR DEBUGGING ONLY
+    # ports:
+    #   - "6379:6379"
+    restart: always