feat: Improve build system to reduce Docker image to 312 MB

Dockerfile

@@ -1,9 +1,9 @@
 # use the official Bun image
 # see all versions at https://hub.docker.com/r/oven/bun/tags
-FROM oven/bun:1.0.14-alpine as base
+FROM oven/bun:1.0.15-alpine as base
 WORKDIR /usr/src/app
 
-RUN apk add vips-dev
+RUN apk add vips
 # Required for Prisma to work
 COPY --from=node:18-alpine /usr/local/bin/node /usr/local/bin/node
 
@@ -16,20 +16,28 @@ RUN cd /temp/dev && bun install --frozen-lockfile
 
 # install with --production (exclude devDependencies)
 RUN mkdir -p /temp/prod
-COPY package.json bun.lockb /temp/prod/
+COPY . /temp/prod/
 RUN cd /temp/prod && bun install --frozen-lockfile --production.
 
+# Generate Prisma
+RUN bunx prisma generate
+
+# Build Vite in pages
+WORKDIR /temp/prod
+RUN bunx --bun vite build pages
+
+# Build the project
+RUN bun run build.ts
+
 # copy production dependencies and source code into final image
 FROM base AS release
 
 # Create app directory
 RUN mkdir -p /app
-COPY --from=install /temp/prod/node_modules /app/node_modules
-COPY . /app
+COPY --from=install /temp/prod/dist /app/dist
+COPY --from=install /temp/prod/pages /app/pages
+COPY entrypoint.sh /app
 
-# Build Vite in pages
-WORKDIR /app
-RUN bunx --bun vite build pages
 
 LABEL org.opencontainers.image.authors "Gaspard Wierzbinski (https://cpluspatch.dev)"
 LABEL org.opencontainers.image.source "https://github.com/lysand-org/lysand"
@@ -38,11 +46,8 @@ LABEL org.opencontainers.image.licenses "AGPL-3.0"
 LABEL org.opencontainers.image.title "Lysand Server"
 LABEL org.opencontainers.image.description "Lysand Server docker image"
 
-# CD to app
-WORKDIR /app
-RUN bunx prisma generate
 # CD to app
 WORKDIR /app
 ENV NODE_ENV=production
 # Run migrations and start the server
-ENTRYPOINT [ "bun", "migrate", "&&", "bun start" ]
+ENTRYPOINT [ "./entrypoint.sh" "start" ]

build.ts

@@ -1,5 +1,10 @@
+// Delete dist directory
+import { rm } from "fs/promises";
+
+await rm("./dist", { recursive: true });
+
 await Bun.build({
-	entrypoints: ["./index.ts"],
+	entrypoints: ["./index.ts", "./prisma.ts", "./cli.ts"],
 	outdir: "./dist",
 	target: "bun",
 	splitting: true,

entrypoint.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# This script is a wrapper for the main server, CLI and Prisma binaries.
+# Commands:
+# - `start`: Starts the server
+# - `cli`: Starts the CLI, sends all arguments to it
+# - `prisma`: Execute a Prisma command, sends 
+
+# Exit immediately if a command exits with a non-zero status.
+set -e
+
+# Parse first argument
+case "$1" in
+  "start")
+    # Start the server
+    exec bun run ./dist/index.js
+    ;;
+  "cli")
+    # Start the CLI
+    shift 1
+    exec bun run ./dist/cli.js "$@"
+    ;;
+  "prisma")
+    # Proxy all Prisma commands
+    # Use output of dist/prisma.js to get the env variable
+    shift 1
+    # Set DATABASE_URL env variable to the output of bun run ./dist/prisma.js
+    export DATABASE_URL=$(bun run ./dist/prisma.js)
+    # Execute the Prisma binary
+    exec bunx prisma "$@"
+    ;;
+  *)
+    # Run custom commands
+    exec "$@"
+    ;;
+esac
+```