Update Dockerfile, add docker-compose.yml, and config.exs (#25)

Dockerfile

@@ -4,16 +4,24 @@ ENV UID=911 GID=911 \
     MIX_ENV=prod
 
 ARG PLEROMA_VER=develop
+ENV UID=911 GID=911 MIX_ENV=prod
 
-RUN apk -U upgrade \
-    && apk add --no-cache \
-    build-base \
-    cmake \
-    git \
-    file-dev
+ENV MIX_ENV=prod
+
+RUN echo "http://nl.alpinelinux.org/alpine/latest-stable/community" >> /etc/apk/repositories \
+    && apk update \
+    && apk add git gcc g++ musl-dev make cmake file-dev \
+    exiftool imagemagick libmagic ncurses postgresql-client ffmpeg
 
 RUN addgroup -g ${GID} pleroma \
-    && adduser -h /pleroma -s /bin/sh -D -G pleroma -u ${UID} pleroma
+    && adduser -h /pleroma -s /bin/false -D -G pleroma -u ${UID} pleroma
+
+ARG DATA=/var/lib/pleroma
+RUN mkdir -p /etc/pleroma \
+    && chown -R pleroma /etc/pleroma \
+    && mkdir -p ${DATA}/uploads \
+    && mkdir -p ${DATA}/static \
+    && chown -R pleroma ${DATA}
 
 USER pleroma
 WORKDIR /pleroma
@@ -21,13 +29,15 @@ WORKDIR /pleroma
 RUN git clone -b develop https://git.pleroma.social/pleroma/pleroma.git /pleroma \
     && git checkout ${PLEROMA_VER} 
 
-COPY config/secret.exs /pleroma/config/prod.secret.exs
-
-RUN mix local.rebar --force \
+RUN echo "import Mix.Config" > config/prod.secret.exs \
     && mix local.hex --force \
-    && mix deps.get \
-    && mix compile
+    && mix local.rebar --force \
+    && mix deps.get --only prod \
+    && mkdir release \
+    && mix release --path /pleroma
 
-VOLUME /pleroma/uploads/
+COPY ./config.exs /etc/pleroma/config.exs
 
-CMD ["mix", "phx.server"]
+EXPOSE 4000
+
+ENTRYPOINT ["/pleroma/docker-entrypoint.sh"]

config.exs

@@ -0,0 +1,74 @@
+import Config
+
+config :pleroma, Pleroma.Web.Endpoint,
+  url: [host: System.get_env("DOMAIN", "localhost"), scheme: "https", port: 443],
+  http: [ip: {0, 0, 0, 0}, port: 4000]
+
+config :pleroma, :instance,
+  name: System.get_env("INSTANCE_NAME", "Pleroma"),
+  email: System.get_env("ADMIN_EMAIL"),
+  notify_email: System.get_env("NOTIFY_EMAIL"),
+  limit: 5000,
+  registrations_open: true,
+  federating: true,
+  healthcheck: true
+
+config :pleroma, :media_proxy,
+  enabled: false,
+  redirect_on_failure: true,
+  base_url: "https://cache.domain.tld"
+
+config :pleroma, Pleroma.Repo,
+  adapter: Ecto.Adapters.Postgres,
+  username: System.get_env("DB_USER", "pleroma"),
+  password: System.fetch_env!("DB_PASS"),
+  database: System.get_env("DB_NAME", "pleroma"),
+  hostname: System.get_env("DB_HOST", "db"),
+  pool_size: 10
+
+# Configure web push notifications
+config :web_push_encryption, :vapid_details, subject: "mailto:#{System.get_env("NOTIFY_EMAIL")}"
+
+config :pleroma, :database, rum_enabled: false
+config :pleroma, :instance, static_dir: "/var/lib/pleroma/static"
+config :pleroma, Pleroma.Uploaders.Local, uploads: "/var/lib/pleroma/uploads"
+
+# We can't store the secrets in this file, since this is baked into the docker image
+if not File.exists?("/var/lib/pleroma/secret.exs") do
+  secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
+  signing_salt = :crypto.strong_rand_bytes(8) |> Base.encode64() |> binary_part(0, 8)
+  {web_push_public_key, web_push_private_key} = :crypto.generate_key(:ecdh, :prime256v1)
+
+  secret_file =
+    EEx.eval_string(
+      """
+      import Config
+
+      config :pleroma, Pleroma.Web.Endpoint,
+        secret_key_base: "<%= secret %>",
+        signing_salt: "<%= signing_salt %>"
+
+      config :web_push_encryption, :vapid_details,
+        public_key: "<%= web_push_public_key %>",
+        private_key: "<%= web_push_private_key %>"
+      """,
+      secret: secret,
+      signing_salt: signing_salt,
+      web_push_public_key: Base.url_encode64(web_push_public_key, padding: false),
+      web_push_private_key: Base.url_encode64(web_push_private_key, padding: false)
+    )
+
+  File.write("/var/lib/pleroma/secret.exs", secret_file)
+end
+
+import_config("/var/lib/pleroma/secret.exs")
+
+# For additional user config
+if File.exists?("/var/lib/pleroma/config.exs"),
+  do: import_config("/var/lib/pleroma/config.exs"),
+  else:
+    File.write("/var/lib/pleroma/config.exs", """
+    import Config
+
+    # For additional configuration outside of environmental variables
+    """)

docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+
+services:
+  db:
+    image: postgres:12.1-alpine
+    container_name: pleroma_db
+    restart: always
+    environment:
+      POSTGRES_USER: pleroma
+      POSTGRES_PASSWORD: ChangeMe!
+      POSTGRES_DB: pleroma
+    volumes:
+      - ./postgres:/var/lib/postgresql/data
+
+  web:
+    build: .
+    image: pleroma
+    container_name: pleroma_web
+    restart: always
+    ports:
+      - '4000:4000'
+    volumes:
+      - ./uploads:/var/lib/pleroma/uploads
+      - ./static:/var/lib/pleroma/static
+      - ./config.exs:/etc/pleroma/config.exs:ro
+    environment:
+      DOMAIN: exmaple.com
+      INSTANCE_NAME: Pleroma
+      ADMIN_EMAIL: admin@example.com
+      NOTIFY_EMAIL: notify@example.com
+      DB_USER: pleroma
+      DB_PASS: ChangeMe!
+      DB_NAME: pleroma
+    depends_on:
+      - db