chore: update Docker configuration

.dockerignore

@@ -1,5 +1,6 @@
 .git
+.env
 node_modules
-config.json
-certs
-src/logs
+dist
+logs
+uploads

.gitignore

@@ -2,3 +2,4 @@ node_modules
 config.json
 certs
 src/logs
+uploads

Dockerfile

@@ -1,15 +1,52 @@
-FROM node:18-alpine
+# syntax=docker/dockerfile:1
 
-RUN apk add --no-cache python3 make gcc g++ 
-WORKDIR /app
+ARG app_dir="/home/node/app"
 
-COPY "docker/entrypoint.sh" ./
 
-COPY package*.json ./
-RUN npm install
+# * Base Node.js image
+FROM node:20-alpine AS base
+ARG app_dir
+WORKDIR ${app_dir}
 
-COPY . ./
 
-VOLUME [ "/app/config.json", "/app/certs" ]
+# * Installing production dependencies
+FROM base AS dependencies
 
-CMD ["sh", "entrypoint.sh"]
+RUN --mount=type=bind,source=package.json,target=package.json \
+    --mount=type=bind,source=package-lock.json,target=package-lock.json \
+    --mount=type=cache,target=/root/.npm \
+    npm ci --omit=dev
+
+
+# * Installing development dependencies and building the application
+FROM base AS build
+
+RUN --mount=type=bind,source=package.json,target=package.json \
+    --mount=type=bind,source=package-lock.json,target=package-lock.json \
+    --mount=type=cache,target=/root/.npm \
+    npm ci
+
+COPY . .
+# TODO: re-enable after TypeScript migration
+#RUN npm run build
+
+
+# * Running the final application
+FROM base AS final
+ARG app_dir
+
+RUN mkdir -p ${app_dir}/src/logs && chown node:node ${app_dir}/src/logs \
+    && mkdir -p ${app_dir}/uploads && chown node:node ${app_dir}/uploads
+
+ENV NODE_ENV=production
+USER node
+
+COPY package.json .
+
+COPY --from=dependencies ${app_dir}/node_modules ${app_dir}/node_modules
+COPY --from=build ${app_dir} ${app_dir}
+
+# TODO: change back after TypeScript migration
+#COPY --from=build ${app_dir}/dist ${app_dir}/dist
+
+CMD ["node", "."]

docker/entrypoint.sh

@@ -1,12 +0,0 @@
-#!/bin/sh
-
-files='config.json certs/access/private.pem certs/access/aes.key'
-
-for file in $files; do
-    if [ ! -f $file ]; then
-        echo "$PWD/$file file does not exist. Please mount and try again."
-        exit 1
-    fi
-done
-
-exec node src/server.js