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Improve docker install docs
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assets/docker-compose.yml
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88
assets/docker-compose.yml
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x-logging: &default-logging
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driver: "json-file"
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options:
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max-size: "50m"
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max-file: "4"
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services:
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proxy:
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image: nginx:1-alpine
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ports:
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# Listen for outside connections on port 10633. You can freely change the left-side
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# number to a different port, eg using port 80 if you don't need a reverse proxy.
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- "10633:8536"
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volumes:
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- ./nginx_internal.conf:/etc/nginx/nginx.conf:ro,Z
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- ./proxy_params:/etc/nginx/proxy_params:ro,Z
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restart: always
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logging: *default-logging
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depends_on:
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- pictrs
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- lemmy-ui
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lemmy:
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image: dessalines/lemmy:0.19.5
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hostname: lemmy
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restart: always
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logging: *default-logging
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environment:
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- RUST_LOG="warn"
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volumes:
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- ./lemmy.hjson:/config/config.hjson:Z
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depends_on:
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- postgres
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- pictrs
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lemmy-ui:
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image: dessalines/lemmy-ui:0.19.5
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environment:
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- LEMMY_UI_LEMMY_INTERNAL_HOST=lemmy:8536
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- LEMMY_UI_LEMMY_EXTERNAL_HOST=lemmy.ml
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- LEMMY_UI_HTTPS=true
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volumes:
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- ./volumes/lemmy-ui/extra_themes:/app/extra_themes
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depends_on:
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- lemmy
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restart: always
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logging: *default-logging
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pictrs:
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image: asonix/pictrs:0.5.16
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# this needs to match the pictrs url in lemmy.hjson
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hostname: pictrs
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# we can set options to pictrs like this, here we set max. image size and forced format for conversion
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# entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
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environment:
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- PICTRS_OPENTELEMETRY_URL=http://otel:4137
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- PICTRS__SERVER__API_KEY={{ postgres_password }}
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- RUST_BACKTRACE=full
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- PICTRS__MEDIA__VIDEO__VIDEO_CODEC=vp9
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- PICTRS__MEDIA__ANIMATION__MAX_WIDTH=256
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- PICTRS__MEDIA__ANIMATION__MAX_HEIGHT=256
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- PICTRS__MEDIA__ANIMATION__MAX_FRAME_COUNT=400
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user: 991:991
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volumes:
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- ./volumes/pictrs:/mnt:Z
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restart: always
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logging: *default-logging
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postgres:
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image: postgres:16-alpine
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hostname: postgres
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environment:
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- POSTGRES_USER=lemmy
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- POSTGRES_PASSWORD={{ postgres_password }}
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- POSTGRES_DB=lemmy
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shm_size: 1g
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volumes:
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- ./volumes/postgres:/var/lib/postgresql/data:Z
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- ./customPostgresql.conf:/etc/postgresql.conf
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restart: always
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logging: *default-logging
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postfix:
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image: mwader/postfix-relay
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environment:
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- POSTFIX_myhostname={{ domain }}
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restart: "always"
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logging: *default-logging
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@ -2,7 +2,7 @@
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Information for Lemmy instance admins, and those who want to run a server.
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If you have any problems in the installation, you can ask for help in [!lemmy_support](https://lemmy.ml/c/lemmy_support). Do not use Github for support.
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If you have any problems in the installation, you can ask for help in [!lemmy_support](https://lemmy.ml/c/lemmy_support) or [Matrix](https://matrix.to/#/#lemmy-support-general:discuss.online). Do not open Github issues for support.
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## Install
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@ -1,30 +1,25 @@
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# Docker Installation
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Make sure you have both docker and docker-compose(>=`2.0`) installed. On Ubuntu, just run `apt install docker-compose-v2 docker.io`. On Debian, you need to install Docker [using their official installation instructions and custom `apt` repo](https://docs.docker.com/engine/install/debian/). Next,
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Make sure you have both docker and docker-compose(>=`2.0`) installed. On Ubuntu, just run `apt install docker-compose-v2 docker.io`. On Debian, you need to install Docker [using their official installation instructions and custom `apt` repo](https://docs.docker.com/engine/install/debian/).
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Create a folder for the lemmy files. the location doesnt matter. You can put this anywhere you want, for example under `/srv/`:
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```bash
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# Create a folder for the lemmy files. the location doesnt matter, you can put this anywhere you want
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mkdir lemmy
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cd lemmy
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```
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## Download default config files
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These files contain `{{ }}` braces for variables, such as passwords and your domain.
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Edit them before starting up lemmy for the first time.
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The images will likely be: [dessalines/lemmy:VERSION](https://hub.docker.com/r/dessalines/lemmy) and [dessalines/lemmy-ui:VERSION](https://hub.docker.com/r/dessalines/lemmy-ui)
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[Tracking Issue](https://github.com/LemmyNet/lemmy/issues/3996): For now, using `latest` is not advisable as changes can break your instance. Make sure you are using a specific version number. This is temporary and will be fixed.
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Then download default config files:
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```bash
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-ansible/main/templates/docker-compose.yml
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-docs/main/assets/docker-compose.yml
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-ansible/main/examples/config.hjson -O lemmy.hjson
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-ansible/main/templates/nginx_internal.conf
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-ansible/main/files/proxy_params
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```
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Edit `docker-compose.yml` and `lemmy.hjson` to replace all occurrences of `{{ domain }}` with your actual Lemmy domain, `{{ postgres_password }}` with a random password and `{{lemmy_port}}` with `10633`.
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If you'd like further customization, have a look at the [config file](configuration.md) named `lemmy.hjson`, and adjust it accordingly.
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## Database tweaks
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@ -72,10 +67,9 @@ For federation to work, it is important that you do not change any headers that
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# Updating
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To update to the newest version, you can manually change the version in `docker-compose.yml`. Alternatively, fetch the latest version from our [lemmy-ansible](https://github.com/LemmyNet/lemmy-ansible) repo:
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To update to the newest version, it is usually enough to change the version numbers in `docker-compose.yml`, eg `dessalines/lemmy:0.19.4` to `dessalines/lemmy:0.19.5`. If additional steps are required, these are explained in the respective release announcement. After changing the versions, run these commands:
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```bash
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wget https://raw.githubusercontent.com/LemmyNet/lemmy-ansible/main/templates/docker-compose.yml
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# Then replace the {{ }} vars again
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docker compose pull
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docker compose up -d
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```
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