diff --git a/Dockerfile b/Dockerfile
index e03c52d..432d74d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache postgresql-client
 COPY package*.json ./
 RUN npm ci --omit=dev && npm cache clean --force
 COPY --from=build /app/dist ./dist
-COPY server.mjs ./
+COPY server.mjs LICENSE ./
 USER node
 EXPOSE 3000
 HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 CMD wget -qO- http://127.0.0.1:3000/api/health || exit 1
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f288702
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/README.md b/README.md
index 0db47bc..ee14c49 100644
--- a/README.md
+++ b/README.md
@@ -1,35 +1,133 @@
+<div align="center">
+
 # Daymark
 
-A self-hosted, multi-user diary for days, places, people, and ideas.
+**Your days, in your own words.**
 
-Daymark combines Markdown journaling, photos and media, maps, calendar and timeline views, search, sharing, account exports, and administration. It includes password authentication, TOTP, passkeys, and an installable web app.
+A self-hosted diary for memories, places, people, and ideas.
 
-## Run with Docker
+[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](LICENSE)
+[![Self-hosted](https://img.shields.io/badge/Self--hosted-Docker-2496ED?logo=docker&logoColor=white)](#quick-start)
 
-1. Copy `.env.example` to `.env`.
-2. Set three different strong random secrets in `.env`.
-3. Run `docker compose up -d --build`.
-4. Open `http://localhost:3000` and create your first account.
+[Get started](#quick-start) · [Screenshots](#screenshots) · [Deployment guide](DEPLOYMENT.md) · [Changelog](CHANGELOG.md)
 
-The first account becomes administrator. The included Mailpit development inbox is available on port 8025. Configure production email and HTTPS before making an installation available online; set `COOKIE_SECURE` to `true` behind HTTPS.
+</div>
 
-PostgreSQL, media storage, mail, and backups use Compose-project-scoped volumes. Use a distinct project name for every installation. Never point a test or public instance at another installation's database or volumes.
+![Daymark diary view with dated entries, topics, and search](docs/screenshots/daymark-diary.png)
 
-`docker-compose.standalone.yml` is an equivalent portable configuration. See [deployment instructions](DEPLOYMENT.md).
+Daymark gives you a place to write, collect photos and recordings, and revisit the moments that matter. Run it on your own server, keep entries private, or share selected memories with others.
+
+## What you can do
+
+| | Features |
+| --- | --- |
+| **Write** | Markdown, drafts, writing prompts, templates, and entry revision history. |
+| **Collect** | Photos, video, audio, documents, voice notes, and links alongside your writing. |
+| **Rediscover** | Search, tags, journals, calendar, timeline, gallery, maps, and statistics. |
+| **Share** | Multiple accounts, shared journals, comments, and expiring sharing links. |
+| **Protect** | Private entries, optional text encryption, two-factor authentication, and passkeys. |
+| **Take it with you** | An installable web app, offline drafts, exports, and backups. |
+
+## Screenshots
+
+Screenshots show the real interface with fictional sample entries.
+
+### A timeline of your days
+
+Browse your journal chronologically and jump back into a memory.
+
+![Daymark timeline showing journal entries in date order](docs/screenshots/daymark-timeline.png)
+
+### Space to write
+
+Format your entry, choose its date, and add tags, media, or a location.
+
+![Daymark entry editor with formatting tools and sample writing](docs/screenshots/daymark-editor.png)
+
+## Quick start
+
+**You need:** Docker Engine with Docker Compose, or Docker Desktop.
+
+### 1. Get Daymark
+
+```sh
+git clone https://github.com/donishki/Daymark.git
+cd Daymark
+```
+
+You can also clone from [Gitea](https://git.ptbox.org/dasp/Daymark).
+
+### 2. Set your secrets
+
+Copy `.env.example` to `.env`:
+
+```sh
+cp .env.example .env
+```
+
+On Windows PowerShell, use `Copy-Item .env.example .env`.
+
+Open `.env` in a text editor and fill in all three values with **different, strong random secrets**:
+
+```dotenv
+DB_PASSWORD=
+MINIO_PASSWORD=
+AUTH_ENCRYPTION_KEY=
+```
+
+Keep this file safe. You will need the same values when restoring your installation.
+
+### 3. Start the app
+
+```sh
+docker compose up -d --build
+```
+
+Open **[localhost:3000](http://localhost:3000)** and create your account. The first account becomes the administrator.
+
+Installing on another machine? Replace `localhost` with that server's address.
+
+> **Before going online:** configure HTTPS, set `COOKIE_SECURE` to `true`, and configure production email delivery. The included Mailpit inbox at port `8025` is for testing. See the [deployment guide](DEPLOYMENT.md) for Portainer, configuration, and backups.
+
+## Everyday commands
+
+```sh
+# Check service status
+docker compose ps
+
+# View application logs
+docker compose logs -f diary
+
+# Stop the services while keeping your data
+docker compose down
+```
+
+For updates, back up your data first, then pull the latest code and rebuild:
+
+```sh
+git pull --ff-only
+docker compose up -d --build
+```
 
 ## Development
 
-Use Node.js 22 or later. Run `npm ci` and `npm run build` to build the frontend. `npm run dev` starts Vite; the backend requires the database and storage configuration supplied by Docker Compose.
+Use **Node.js 22.12+**.
 
-## Repositories
+```sh
+npm ci
+npm run dev
+```
 
-- [GitHub](https://github.com/donishki/Daymark)
-- [Gitea](https://git.ptbox.org/dasp/Daymark)
+The API requires PostgreSQL, MinIO, and the environment settings described in the [deployment guide](DEPLOYMENT.md). Use Docker Compose for a complete local stack.
 
-This public edition starts with clean source history. Personal deployment configuration and diary contents are excluded. Database and media content live in deployment volumes, not this source repository.
+Build the frontend with `npm run build`.
 
-Legacy storage keys and export identifiers are retained for compatibility with existing backups.
+## Links
+
+[GitHub](https://github.com/donishki/Daymark) · [Gitea](https://git.ptbox.org/dasp/Daymark) · [Report an issue](https://github.com/donishki/Daymark/issues) · [Planned improvements](TODO.md)
 
 ## License
 
-No open-source license has been selected. All rights reserved until a license is added.
+Copyright © 2026 Dario P.
+
+Daymark is licensed under the **GNU General Public License v3.0** (`GPL-3.0-only`). See [LICENSE](LICENSE) for the full terms.
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diff --git a/package-lock.json b/package-lock.json
index 7cc4e00..1d6865f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,13 @@
 {
   "name": "daymark",
+  "license": "GPL-3.0-only",
   "version": "1.18.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "daymark",
+      "license": "GPL-3.0-only",
       "version": "1.18.1",
       "dependencies": {
         "@simplewebauthn/browser": "^13.3.0",
diff --git a/package.json b/package.json
index 6155359..358aa95 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "name": "daymark",
+  "license": "GPL-3.0-only",
   "private": true,
   "version": "1.18.1",
   "type": "module",