diff --git a/.dockerignore b/.dockerignore
index b67eebd8..daa3343c 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -6,15 +6,12 @@
 /.gitignore
 /.vscode
 /bin/
-/config-idx-back.local.toml
-/config-tracker.local.toml
-/config.local.toml
-/config.toml
+/config*
 /cspell.json
 /data_v2.db*
 /data.db
 /data.db*
-/docker/
+/docker/bin/
 /project-words.txt
 /README.md
 /rustfmt.toml
diff --git a/.github/workflows/container.yaml b/.github/workflows/container.yaml
new file mode 100644
index 00000000..69a3a01d
--- /dev/null
+++ b/.github/workflows/container.yaml
@@ -0,0 +1,59 @@
+name: Container (Docker)
+
+on:
+  push:
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - id: checkout
+        name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - id: setup
+        name: Setup Toolchain
+        uses: docker/setup-buildx-action@v2
+
+      - id: build
+        name: Build
+        uses: docker/build-push-action@v4
+        with:
+          push: false
+          load: true
+          tags: torrust-index-backend:local
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - id: inspect
+        name: Inspect
+        run: docker image inspect torrust-index-backend:local
+
+      - id: compose
+        name: Compose Applications
+        run: |
+          export TORRUST_IDX_BACK_CONFIG=$(cat config-index.mysql.local.toml)
+          export TORRUST_TRACKER_CONFIG=$(cat config-tracker.local.toml)
+
+          docker compose build \
+          --build-arg TORRUST_IDX_BACK_CONFIG="$TORRUST_IDX_BACK_CONFIG" \
+          --build-arg TORRUST_TRACKER_CONFIG="$TORRUST_TRACKER_CONFIG"
+
+      - id: run
+        name: Run Applications
+        
+        run: |
+          export TORRUST_IDX_BACK_CONFIG=$(cat config-index.mysql.local.toml)
+          export TORRUST_TRACKER_CONFIG=$(cat config-tracker.local.toml)
+
+          docker compose up --detach
+
+      - id: check
+        name: Check Applications
+        run: docker ps
diff --git a/.github/workflows/test_docker.yml b/.github/workflows/test_docker.yml
deleted file mode 100644
index efb54e60..00000000
--- a/.github/workflows/test_docker.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Test Docker Build
-
-on:
-  push:
-  pull_request:
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Build docker image
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          file: ./Dockerfile
-          push: false
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-
-      - name: Build docker-compose images
-        run: docker compose build
diff --git a/Dockerfile b/Dockerfile
index ffdd7ef0..58df5823 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,72 +1,141 @@
-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 development
-WORKDIR /app
-ARG UID=1000
-ARG RUN_AS_USER=appuser
-ARG IDX_BACK_API_PORT=3001
-# Add the app user for development
-ENV USER=appuser
-ENV UID=$UID
-RUN adduser --uid "${UID}" "${USER}"
-# Build dependencies
-COPY --from=planner /app/recipe.json recipe.json
-RUN cargo chef cook --recipe-path recipe.json
-# Build the application
-COPY . .
-RUN cargo build --bin main
-USER $RUN_AS_USER:$RUN_AS_USER
-EXPOSE $IDX_BACK_API_PORT/tcp  
-CMD ["cargo", "run"]
-
-
-FROM chef AS builder
-WORKDIR /app
-ARG UID=1000
-# Add the app user for production
-ENV USER=appuser
-ENV UID=$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
-COPY . .
-RUN cargo build --release --target x86_64-unknown-linux-musl --bin main
-# Strip the binary
-# More info: https://github.com/LukeMathWalker/cargo-chef/issues/149
-RUN strip /app/target/x86_64-unknown-linux-musl/release/main
-
-
-FROM alpine:latest
-WORKDIR /app
-ARG RUN_AS_USER=appuser
-ARG IDX_BACK_API_PORT=3001
-RUN apk --no-cache add ca-certificates
+# syntax=docker/dockerfile:latest
+
+# Torrust Index Backend
+
+## Builder Image
+FROM rust:latest as chef
+WORKDIR /tmp
+RUN curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
+RUN cargo binstall --no-confirm cargo-chef cargo-nextest
+
+
+## Tester Image
+FROM rust:slim as tester
+WORKDIR /tmp
+### (fixme) https://github.com/cargo-bins/cargo-binstall/issues/1252
+RUN apt-get update; apt-get install -y curl; apt-get autoclean
+RUN curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
+RUN cargo binstall --no-confirm cargo-nextest imdl
+
+
+## Chef Prepare (look at project and see wat we need)
+FROM chef AS recipe
+WORKDIR /build/src
+COPY . /build/src
+RUN cargo chef prepare --recipe-path /build/recipe.json
+
+
+## Cook (debug)
+FROM chef AS dependencies_debug
+WORKDIR /build/src
+COPY --from=recipe /build/recipe.json /build/recipe.json
+RUN cargo chef cook --tests --benches --examples --workspace --all-targets --all-features --recipe-path /build/recipe.json
+RUN cargo nextest archive --tests --benches --examples --workspace --all-targets --all-features --archive-file /build/temp.tar.zst ; rm /build/temp.tar.zst
+
+## Cook (release)
+FROM chef AS dependencies
+WORKDIR /build/src
+COPY --from=recipe /build/recipe.json /build/recipe.json
+RUN cargo chef cook --tests --benches --examples --workspace --all-targets --all-features --recipe-path /build/recipe.json --release
+RUN cargo nextest archive --tests --benches --examples --workspace --all-targets --all-features --archive-file /build/temp.tar.zst --release  ; rm /build/temp.tar.zst
+
+
+## Build Archive (debug)
+FROM dependencies_debug AS build_debug
+WORKDIR /build/src
+COPY . /build/src
+RUN cargo nextest archive --tests --benches --examples --workspace --all-targets --all-features --archive-file /build/torrust-index-backend-debug.tar.zst
+
+## Build Archive (release)
+FROM dependencies AS build
+WORKDIR /build/src
+COPY . /build/src
+RUN cargo nextest archive --tests --benches --examples --workspace --all-targets --all-features --archive-file /build/torrust-index-backend.tar.zst --release
+
+
+# Extract and Test (debug)
+FROM tester as test_debug
+WORKDIR /test
+COPY . /test/src
+COPY --from=build_debug \
+  /build/torrust-index-backend-debug.tar.zst \
+  /test/torrust-index-backend-debug.tar.zst
+RUN mkdir -p /test/test
+RUN cargo nextest run --workspace-remap /test/src/ --extract-to /test/src/ --no-run --archive-file /test/torrust-index-backend-debug.tar.zst
+RUN cargo nextest run --workspace-remap /test/src/ --target-dir-remap /test/src/target/ --cargo-metadata /test/src/target/nextest/cargo-metadata.json --binaries-metadata /test/src/target/nextest/binaries-metadata.json
+
+RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/main     /app/bin/torrust-index-backend
+RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/upgrader /app/bin/torrust-index-backend-upgrader
+RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/importer /app/bin/torrust-index-backend-importer
+
+# RUN mkdir /app/lib/; cp -l $(realpath $(ldd /app/bin/torrust-index-backend | grep "libz\.so\.1" | awk '{print $3}')) /app/lib/libz.so.1
+
+RUN chown -R root:root /app
+RUN chmod -R u=rw,go=r,a+X /app
+RUN chmod -R a+x /app/bin
+
+# Extract and Test (release)
+FROM tester as test
+WORKDIR /test
+COPY . /test/src
+COPY --from=build \
+  /build/torrust-index-backend.tar.zst \
+  /test/torrust-index-backend.tar.zst
+RUN cargo nextest run --workspace-remap /test/src/ --extract-to /test/src/ --no-run --archive-file /test/torrust-index-backend.tar.zst
+RUN cargo nextest run --workspace-remap /test/src/ --target-dir-remap /test/src/target/ --cargo-metadata /test/src/target/nextest/cargo-metadata.json --binaries-metadata /test/src/target/nextest/binaries-metadata.json
+
+RUN mkdir -p /app/bin/; cp -l /test/src/target/release/main     /app/bin/torrust-index-backend
+RUN mkdir -p /app/bin/; cp -l /test/src/target/release/upgrader /app/bin/torrust-index-backend-upgrader
+RUN mkdir -p /app/bin/; cp -l /test/src/target/release/importer /app/bin/torrust-index-backend-importer
+
+# RUN mkdir -p /app/lib/; cp -l $(realpath $(ldd /app/bin/torrust-index-backend | grep "libz\.so\.1" | awk '{print $3}')) /app/lib/libz.so.1
+
+RUN chown -R root:root /app
+RUN chmod -R u=rw,go=r,a+X /app
+RUN chmod -R a+x /app/bin
+
+
+## Torrust-Index-Backend (debug)
+FROM gcr.io/distroless/cc:debug as index_backend_debug
+
+RUN ["/busybox/cp", "-sp", "/busybox/sh", "/bin/sh"]
+ENV ENV=/etc/profile
+
+ARG USER_ID=1000
+ARG USER_NAME=appuser
+ARG API_PORT=3001
+
+ENV USER_ID=${USER_ID}
+ENV USER_NAME=${USER_NAME}
+ENV API_PORT=${API_PORT}
 ENV TZ=Etc/UTC
-ENV RUN_AS_USER=$RUN_AS_USER
-COPY --from=builder /etc/passwd /etc/passwd
-COPY --from=builder /etc/group /etc/group
-COPY --from=builder --chown=$RUN_AS_USER \
-  /app/target/x86_64-unknown-linux-musl/release/main \
-  /app/main
-RUN chown -R $RUN_AS_USER:$RUN_AS_USER /app
-USER $RUN_AS_USER:$RUN_AS_USER
-EXPOSE $IDX_BACK_API_PORT/tcp
-ENTRYPOINT ["/app/main"]
\ No newline at end of file
+
+EXPOSE ${API_PORT}/tcp
+
+COPY --from=test_debug /app/ /usr/
+
+COPY ./docker/motd.debug /etc/motd
+
+RUN echo '[ ! -z "$TERM" -a -r /etc/motd ] && cat /etc/motd' >> /etc/profile
+
+WORKDIR /home/${USER_NAME}
+RUN adduser --disabled-password --uid "${USER_ID}" "${USER_NAME}"
+USER "${USER_NAME}":"${USER_NAME}"
+
+RUN env
+
+## Torrust-Index-Backend (release) (default)
+FROM gcr.io/distroless/cc:nonroot as index_backend
+COPY --from=gcr.io/distroless/cc:debug /busybox/wget /usr/bin/wget
+COPY --from=test /app/ /usr/
+
+ARG API_PORT=3001
+
+ENV API_PORT=${API_PORT}
+ENV TZ=Etc/UTC
+
+EXPOSE ${API_PORT}/tcp
+
+HEALTHCHECK CMD ["/usr/bin/wget", "--no-verbose", "--tries=1", "--spider", "localhost:${API_PORT}"]
+
+CMD ["/usr/bin/torrust-index-backend"]
diff --git a/bin/install.sh b/bin/install.sh
index 30b8a200..e98047eb 100755
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -2,7 +2,7 @@
 
 # Generate the default settings file if it does not exist
 if ! [ -f "./config.toml" ]; then
-    cp ./config.local.toml ./config.toml
+    cp ./config-index.local.toml ./config.toml
 fi
 
 # Generate storage directory if it does not exist
diff --git a/compose.yaml b/compose.yaml
index 8bf4741e..f2efea3f 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,36 +1,19 @@
 name: torrust
 services:
 
-  idx-back:
-    build:
-      context: .
-      args:
-        RUN_AS_USER: appuser
-        UID: ${TORRUST_IDX_BACK_USER_UID:-1000}
-      target: development
-    user: ${TORRUST_IDX_BACK_USER_UID:-1000}:${TORRUST_IDX_BACK_USER_UID:-1000}
+  index-back:
+    image: torrust-index-backend:local
     tty: true
     environment:
       - TORRUST_IDX_BACK_CONFIG=${TORRUST_IDX_BACK_CONFIG}
+      - TORRUST_IDX_BACK_CORS_PERMISSIVE=true
       - CARGO_HOME=/home/appuser/.cargo
     networks:
       - server_side
     ports:
       - 3001:3001
-    # todo: implement healthcheck
-    #healthcheck:
-    #  test:
-    #    [
-    #      "CMD-SHELL",
-    #      "cargo run healthcheck"
-    #    ]
-    #  interval: 10s
-    #  retries: 5
-    #  start_period: 10s
-    #  timeout: 3s
     volumes:
-      - ./:/app
-      - ~/.cargo:/home/appuser/.cargo
+      - ./storage:/app/storage    
     depends_on:
       - tracker
       - mailcatcher
@@ -38,7 +21,6 @@ services:
 
   tracker:
     image: torrust/tracker:develop
-    user: ${TORRUST_TRACKER_USER_UID:-1000}:${TORRUST_TRACKER_USER_UID:-1000}
     tty: true
     environment:
       - TORRUST_TRACKER_CONFIG=${TORRUST_TRACKER_CONFIG}
@@ -48,17 +30,6 @@ services:
     ports:
       - 6969:6969/udp
       - 1212:1212/tcp
-    # todo: implement healthcheck
-    #healthcheck:
-    #  test:
-    #    [
-    #      "CMD-SHELL",
-    #      "/app/main healthcheck"
-    #    ]
-    #  interval: 10s
-    #  retries: 5
-    #  start_period: 10s
-    #  timeout: 3s
     volumes:
       - ./storage:/app/storage
     depends_on:
diff --git a/config.local.toml b/config-index.local.toml
similarity index 100%
rename from config.local.toml
rename to config-index.local.toml
diff --git a/config-idx-back.mysql.local.toml b/config-index.mysql.local.toml
similarity index 100%
rename from config-idx-back.mysql.local.toml
rename to config-index.mysql.local.toml
diff --git a/config-idx-back.sqlite.local.toml b/config-index.sqlite.local.toml
similarity index 100%
rename from config-idx-back.sqlite.local.toml
rename to config-index.sqlite.local.toml
diff --git a/docker/README.md b/docker/README.md
index be47bfad..e2732095 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -64,7 +64,7 @@ Build and run it locally:
 
 ```s
 TORRUST_IDX_BACK_USER_UID=${TORRUST_IDX_BACK_USER_UID:-1000} \
-    TORRUST_IDX_BACK_CONFIG=$(cat config-idx-back.local.toml) \
+    TORRUST_IDX_BACK_CONFIG=$(cat config-index.mysql.local.toml) \
     TORRUST_TRACKER_CONFIG=$(cat config-tracker.local.toml) \
     TORRUST_TRACKER_API_TOKEN=${TORRUST_TRACKER_API_TOKEN:-MyAccessToken} \
     docker compose up -d --build
diff --git a/docker/bin/build.sh b/docker/bin/build.sh
index 96766624..23678c7d 100755
--- a/docker/bin/build.sh
+++ b/docker/bin/build.sh
@@ -10,4 +10,4 @@ echo "TORRUST_IDX_BACK_RUN_AS_USER: $TORRUST_IDX_BACK_RUN_AS_USER"
 docker build \
     --build-arg UID="$TORRUST_IDX_BACK_USER_UID" \
     --build-arg RUN_AS_USER="$TORRUST_IDX_BACK_RUN_AS_USER" \
-    -t torrust-index-backend .
+    --tag torrust-index-backend:local .
diff --git a/docker/bin/e2e/mysql/e2e-env-up.sh b/docker/bin/e2e/mysql/e2e-env-up.sh
index 195409b1..16548e74 100755
--- a/docker/bin/e2e/mysql/e2e-env-up.sh
+++ b/docker/bin/e2e/mysql/e2e-env-up.sh
@@ -4,7 +4,7 @@ TORRUST_IDX_BACK_USER_UID=${TORRUST_IDX_BACK_USER_UID:-1000} \
     docker compose build
 
 TORRUST_IDX_BACK_USER_UID=${TORRUST_IDX_BACK_USER_UID:-1000} \
-    TORRUST_IDX_BACK_CONFIG=$(cat config-idx-back.mysql.local.toml) \
+    TORRUST_IDX_BACK_CONFIG=$(cat config-index.mysql.local.toml) \
     TORRUST_IDX_BACK_MYSQL_DATABASE="torrust_index_backend_e2e_testing" \
     TORRUST_TRACKER_CONFIG=$(cat config-tracker.local.toml) \
     TORRUST_TRACKER_API_TOKEN=${TORRUST_TRACKER_API_TOKEN:-MyAccessToken} \
diff --git a/docker/bin/e2e/run-e2e-tests.sh b/docker/bin/e2e/run-e2e-tests.sh
index a55b6315..c7a468fe 100755
--- a/docker/bin/e2e/run-e2e-tests.sh
+++ b/docker/bin/e2e/run-e2e-tests.sh
@@ -42,7 +42,7 @@ cargo install imdl || exit 1
 # Install app (no docker) that will run the test suite against the E2E testing 
 # environment (in docker).
 cp .env.local .env || exit 1
-./bin/install.sh || exit 1
+./docker/bin/install.sh || exit 1
 
 # TEST USING SQLITE
 echo "Running E2E tests using SQLite ..."
@@ -60,7 +60,7 @@ sleep 20s
 docker ps
 
 # Run E2E tests with shared app instance
-TORRUST_IDX_BACK_E2E_SHARED=true TORRUST_IDX_BACK_E2E_CONFIG_PATH="./config-idx-back.sqlite.local.toml" cargo test || exit 1
+TORRUST_IDX_BACK_E2E_SHARED=true TORRUST_IDX_BACK_E2E_CONFIG_PATH="./config-index.sqlite.local.toml" cargo test || exit 1
 
 # Stop E2E testing environment
 docker compose down
@@ -91,7 +91,7 @@ echo "Creating MySQL database $MYSQL_DATABASE for for E2E testing ..."
 mysql -h $MYSQL_HOST -u $MYSQL_USER -p$MYSQL_PASSWORD -e "CREATE DATABASE IF NOT EXISTS $MYSQL_DATABASE;"
 
 # Run E2E tests with shared app instance
-TORRUST_IDX_BACK_E2E_SHARED=true TORRUST_IDX_BACK_E2E_CONFIG_PATH="./config-idx-back.mysql.local.toml" cargo test || exit 1
+TORRUST_IDX_BACK_E2E_SHARED=true TORRUST_IDX_BACK_E2E_CONFIG_PATH="./config-index.mysql.local.toml" cargo test || exit 1
 
 # Stop E2E testing environment
 docker compose down
diff --git a/docker/bin/e2e/sqlite/e2e-env-up.sh b/docker/bin/e2e/sqlite/e2e-env-up.sh
index 25911757..980fc833 100755
--- a/docker/bin/e2e/sqlite/e2e-env-up.sh
+++ b/docker/bin/e2e/sqlite/e2e-env-up.sh
@@ -4,7 +4,7 @@ TORRUST_IDX_BACK_USER_UID=${TORRUST_IDX_BACK_USER_UID:-1000} \
     docker compose build
 
 TORRUST_IDX_BACK_USER_UID=${TORRUST_IDX_BACK_USER_UID:-1000} \
-    TORRUST_IDX_BACK_CONFIG=$(cat config-idx-back.sqlite.local.toml) \
+    TORRUST_IDX_BACK_CONFIG=$(cat config-index.sqlite.local.toml) \
     TORRUST_TRACKER_CONFIG=$(cat config-tracker.local.toml) \
     TORRUST_TRACKER_API_TOKEN=${TORRUST_TRACKER_API_TOKEN:-MyAccessToken} \
     docker compose up -d
diff --git a/docker/motd.debug b/docker/motd.debug
new file mode 100644
index 00000000..c02cac7b
--- /dev/null
+++ b/docker/motd.debug
@@ -0,0 +1,5 @@
+            in debug mode
+
+run  'torrust-index-backend'           to   start index
+run  'torrust-index-backend-upgrader'  to   upgrade from v1 index
+run  'torrust-index-backend-importer'  to   import tracker statistics
diff --git a/project-words.txt b/project-words.txt
index a890960f..ea42d8de 100644
--- a/project-words.txt
+++ b/project-words.txt
@@ -1,12 +1,15 @@
 actix
 addrs
 alekitto
+appuser
 AUTOINCREMENT
 bencode
 bencoded
 Benoit
 binascii
 btih
+buildcache
+buildx
 chrono
 clippy
 codecov
diff --git a/src/bin/import_tracker_statistics.rs b/src/bin/importer.rs
similarity index 79%
rename from src/bin/import_tracker_statistics.rs
rename to src/bin/importer.rs
index 894863fa..28cfed22 100644
--- a/src/bin/import_tracker_statistics.rs
+++ b/src/bin/importer.rs
@@ -2,7 +2,7 @@
 //!
 //! It imports the number of seeders and leechers for all torrent from the linked tracker.
 //!
-//! You can execute it with: `cargo run --bin import_tracker_statistics`
+//! You can execute it with: `cargo run --bin importer`
 use torrust_index_backend::console::commands::import_tracker_statistics::run_importer;
 
 #[tokio::main]
diff --git a/src/bin/upgrade.rs b/src/bin/upgrader.rs
similarity index 70%
rename from src/bin/upgrade.rs
rename to src/bin/upgrader.rs
index 486bde93..0e21a716 100644
--- a/src/bin/upgrade.rs
+++ b/src/bin/upgrader.rs
@@ -1,6 +1,6 @@
 //! Upgrade command.
 //! It updates the application from version v1.0.0 to v2.0.0.
-//! You can execute it with: `cargo run --bin upgrade ./data.db ./data_v2.db ./uploads`
+//! You can execute it with: `cargo run --bin upgrader ./data.db ./data_v2.db ./uploads`
 
 use torrust_index_backend::upgrades::from_v1_0_0_to_v2_0_0::upgrader::run;
 
diff --git a/tests/e2e/config.rs b/tests/e2e/config.rs
index 60595c79..d9292915 100644
--- a/tests/e2e/config.rs
+++ b/tests/e2e/config.rs
@@ -19,7 +19,7 @@ pub const ENV_VAR_E2E_CONFIG_PATH: &str = "TORRUST_IDX_BACK_E2E_CONFIG_PATH";
 
 // Default values
 
-pub const ENV_VAR_E2E_DEFAULT_CONFIG_PATH: &str = "./config-idx-back.local.toml";
+pub const ENV_VAR_E2E_DEFAULT_CONFIG_PATH: &str = "./config-index.local.toml";
 
 /// Initialize configuration from file or env var.
 ///