handle sqlite3 + DATABASE_URL

templates/docker-entrypoint.ejs

@@ -75,12 +75,11 @@ if (process.env.DATABASE_URL) {
 <%= tab(n) %>// place Sqlite3 database on volume
 <%= tab(n) %><%= nuxtjs ? 'let' : 'const' %> source = path.resolve('<%- prismaFile %>')
 <%= tab(n) %>const target = '/data/' + path.basename(source)
-<%= tab(n) %>if (!fs.existsSync(source) && fs.existsSync('/data')) fs.symlinkSync(target, source)
 <% if (nuxtjs) { -%>
 <%= tab(n) %>source = path.resolve('./.output/server', '<%- prismaFile %>')
-<%= tab(n) %>if (!fs.existsSync(source) && fs.existsSync('/data')) fs.symlinkSync(target, source)
 <% } -%>
-<% } else if (prismaSeed && sqlite3 && prismaEnv) { -%>
+<%= tab(n) %>if (!fs.existsSync(source) && fs.existsSync('/data')) fs.symlinkSync(target, source)
+<% } else if (sqlite3 && prismaEnv) { -%>
 <%= tab(n) %>const url = new URL(process.env.<%= prismaEnv %>)
 <%= tab(n) %>const target = url.protocol === 'file:' && url.pathname
 <% if (litestream && sqlite3 && (prismaFile || prismaEnv)) { -%>
@@ -100,7 +99,7 @@ if (process.env.DATABASE_URL) {
 <%= tab(n) %>}
 <% } -%>
 <% if (sqlite3) { -%>
-<% if (prismaFile) { -%>
+<% if (prismaFile || litestream) { -%>
 
 <%= tab(n) %>// prepare database
 <% } -%>

test/base/litestream-url/.dockerignore

@@ -0,0 +1,6 @@
+/.git
+/node_modules
+.dockerignore
+.env
+Dockerfile
+fly.toml

test/base/litestream-url/Dockerfile

@@ -0,0 +1,61 @@
+# syntax = docker/dockerfile:1
+
+# Adjust NODE_VERSION as desired
+ARG NODE_VERSION=xxx
+FROM node:${NODE_VERSION}-slim AS base
+
+LABEL fly_launch_runtime="Node.js/Prisma"
+
+# Node.js/Prisma app lives here
+WORKDIR /app
+
+# Set production environment
+ENV NODE_ENV="production"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base AS build
+
+# Install packages needed to build node modules
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential node-gyp openssl pkg-config python-is-python3
+
+# Install node modules
+COPY package-lock.json package.json ./
+RUN npm ci
+
+# Generate Prisma Client
+COPY prisma .
+RUN npx prisma generate
+
+# Copy application code
+COPY . .
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y ca-certificates openssl wget && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Install litestream
+RUN wget https://github.com/benbjohnson/litestream/releases/download/v0.3.13/litestream-v0.3.13-linux-amd64.deb && \
+    dpkg -i litestream-v0.3.13-linux-amd64.deb && \
+    rm litestream-v0.3.13-linux-amd64.deb
+
+# Copy built application
+COPY --from=build /app /app
+
+# Setup sqlite3 on a separate volume
+RUN mkdir -p /data
+VOLUME /data
+
+# Entrypoint prepares the database.
+ENTRYPOINT [ "/app/docker-entrypoint.js" ]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+ENV DATABASE_URL="file:///data/sqlite.db"
+CMD [ "npm", "run", "start" ]

test/base/litestream-url/docker-entrypoint.js

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+
+import { spawn } from 'node:child_process'
+import fs from 'node:fs'
+
+const env = { ...process.env }
+
+// If running the web server then migrate existing database
+if (process.argv.slice(-3).join(' ') === 'npm run start') {
+  const url = new URL(process.env.DATABASE_URL)
+  const target = url.protocol === 'file:' && url.pathname
+
+  // restore database if not present and replica exists
+  const newDb = target && !fs.existsSync(target)
+  if (newDb && process.env.BUCKET_NAME) {
+    await exec(`litestream restore -config litestream.yml -if-replica-exists ${target}`)
+  }
+
+  // prepare database
+  await exec('npx prisma migrate deploy')
+}
+
+// launch application
+if (process.env.BUCKET_NAME) {
+  await exec(`litestream replicate -config litestream.yml -exec ${JSON.stringify(process.argv.slice(2).join(' '))}`)
+} else {
+  await exec(process.argv.slice(2).join(' '))
+}
+
+function exec(command) {
+  const child = spawn(command, { shell: true, stdio: 'inherit', env })
+  return new Promise((resolve, reject) => {
+    child.on('exit', code => {
+      if (code === 0) {
+        resolve()
+      } else {
+        reject(new Error(`${command} failed rc=${code}`))
+      }
+    })
+  })
+}

test/base/litestream-url/fly.toml

@@ -0,0 +1,7 @@
+
+[mounts]
+  source = "data"
+  destination="/data"
+  auto_extend_size_threshold = 80
+  auto_extend_size_increment = "1GB"
+  auto_extend_size_limit = "10GB"

test/base/litestream-url/litestream.yml

@@ -0,0 +1,13 @@
+# This is the configuration file for litestream.
+#
+# For more details, see: https://litestream.io/reference/config/
+#
+dbs:
+  - path: /data/dev.db
+    replicas:
+      - type: s3
+        endpoint: $AWS_ENDPOINT_URL_S3
+        bucket: $BUCKET_NAME
+        path: litestream/dev.db
+        access-key-id: $AWS_ACCESS_KEY_ID
+        secret-access-key: $AWS_SECRET_ACCESS_KEY