Add Dockerfile, Add MongoStore for sessions and update dependencies

.gitignore

@@ -14,6 +14,7 @@ $APPDATA
 /build
 
 # misc
+.vscode
 .DS_Store
 .env
 .env.local

backend/.dockerignore

@@ -0,0 +1,24 @@
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/charts
+**/docker-compose*
+**/compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

backend/.gitignore

@@ -3,4 +3,5 @@
 .env.development.local
 .env.test.local
 .env.production.local
-node_modules
+node_modules
+.vercel

backend/Dockerfile

@@ -0,0 +1,24 @@
+FROM node:lts-alpine AS base
+
+FROM base AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm install --production --silent
+
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+FROM base AS runner
+WORKDIR /app
+COPY --from=builder /app ./
+ARG FRONTEND_URL
+ENV FRONTEND_URL=${FRONTEND_URL}
+
+EXPOSE 5000
+
+RUN chown -R node /app
+
+USER node
+CMD ["node", "server.js"]