feat: add docker image

Author: josecelano

.dockerignore

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+.git
+.github
+.vscode
+config.toml
+data.db
+docker/commands/
+target/

Dockerfile

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+FROM clux/muslrust:stable AS chef
+WORKDIR /app
+RUN cargo install cargo-chef
+
+
+FROM chef AS planner
+WORKDIR /app
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+
+FROM chef AS builder
+WORKDIR /app
+ARG UID=1000
+# Create the app user
+ENV USER=appuser
+ENV UID=$UID
+RUN adduser \
+  --disabled-password \
+  --gecos "" \
+  --home "/nonexistent" \
+  --shell "/sbin/nologin" \
+  --no-create-home \
+  --uid "${UID}" \
+  "${USER}"
+# Build dependencies
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook --release --target x86_64-unknown-linux-musl --recipe-path recipe.json
+# Build the application
+# todo: it seems the previous cache layer is not working. The dependencies are compiled always.
+COPY . .
+RUN cargo build --release --target x86_64-unknown-linux-musl --bin torrust-tracker
+
+
+FROM alpine:latest
+WORKDIR /app
+RUN apk --no-cache add ca-certificates
+ENV TZ=Etc/UTC APP_USER=appuser
+COPY --from=builder /etc/passwd /etc/passwd
+COPY --from=builder /etc/group /etc/group
+COPY --from=builder --chown=$APP_USER \
+  /app/target/x86_64-unknown-linux-musl/release/torrust-tracker \
+  /app/torrust-tracker
+RUN chown -R $APP_USER:$APP_USER /app
+USER $APP_USER:$APP_USER
+EXPOSE 6969
+EXPOSE 1212
+ENTRYPOINT ["/app/torrust-tracker"]

bin/install.sh

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+#!/bin/bash
+
+# Generate the default setting file if it does not exist
+if ! [ -f "./config.toml" ]; then
+    cp ./config.toml.local ./config.toml
+fi
+
+# Generate the sqlite database if it does not exist
+if ! [ -f "./data.db" ]; then
+    # todo: it should get the path from config.toml and only do it when we use sqlite
+    touch ./data.db
+    echo ";" | sqlite3 ./data.db
+fi
+

config.toml.local

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+log_level = "info"
+mode = "public"
+db_driver = "Sqlite3"
+db_path = "data.db"
+announce_interval = 120
+min_announce_interval = 120
+max_peer_timeout = 900
+on_reverse_proxy = false
+external_ip = "0.0.0.0"
+tracker_usage_statistics = true
+persistent_torrent_completed_stat = false
+inactive_peer_cleanup_interval = 600
+remove_peerless_torrents = true
+
+[[udp_trackers]]
+enabled = false
+bind_address = "0.0.0.0:6969"
+
+[[http_trackers]]
+enabled = false
+bind_address = "0.0.0.0:6969"
+ssl_enabled = false
+ssl_cert_path = ""
+ssl_key_path = ""
+
+[http_api]
+enabled = true
+bind_address = "127.0.0.1:1212"
+
+[http_api.access_tokens]
+admin = "MyAccessToken"

docker/README.md

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+# Docker
+
+## Requirements
+
+- Docker version 20.10.21
+
+## Dev environment
+
+Build and run locally:
+
+```s
+export TORRUST_TRACKER_USER_UID=1000
+./docker/bin/build.sh $TORRUST_TRACKER_USER_UID
+./bin/install.sh
+./docker/bin/run.sh $TORRUST_TRACKER_USER_UID
+```
+
+Run using the pre-built public docker image:
+
+```s
+export TORRUST_TRACKER_USER_UID=1000
+docker run -it \
+    --user="$TORRUST_TRACKER_USER_UID" \
+    -p 6969:6969 -p 1212:1212 \
+    --mount type=bind,source="$(pwd)/data.db",target=/app/data.db \
+    --mount type=bind,source="$(pwd)/config.toml",target=/app/config.toml \
+    josecelano/torrust-tracker
+```
+
+> NOTES:
+>
+> - You have to create the SQLite DB (`data.db`) and configuration (`config.toml`) before running the tracker. See `bin/install.sh`.
+> - You have to replace the user UID (`1000`) with yours.

docker/bin/build.sh

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+#!/bin/bash
+
+TORRUST_TRACKER_USER_UID=${TORRUST_TRACKER_USER_UID:-1000}
+
+echo "Building docker image ..."
+echo "TORRUST_TRACKER_USER_UID: $TORRUST_TRACKER_USER_UID"
+
+docker build \
+    --build-arg UID="$TORRUST_TRACKER_USER_UID" \
+    -t torrust-tracker .

docker/bin/install.sh

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+#!/bin/bash
+
+./docker/bin/build.sh
+./bin/install.sh

docker/bin/run.sh

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+#!/bin/bash
+
+TORRUST_TRACKER_USER_UID=${TORRUST_TRACKER_USER_UID:-1000}
+
+docker run -it \
+    --user="$TORRUST_TRACKER_USER_UID" \
+    -p 6969:6969 -p 1212:1212 \
+    --mount type=bind,source="$(pwd)/data.db",target=/app/data.db \
+    --mount type=bind,source="$(pwd)/config.toml",target=/app/config.toml \
+    torrust-tracker