Dockerfile and scripting improvements

.env.dist

@@ -8,3 +8,19 @@ DOCKER_DATADIR=./data
 # Pleroma's mix environment.
 # You should leave this at prod unless you know what you're doing.
 MIX_ENV=prod
+
+# The uid/gid used by pleroma.
+# You should probably set this to the same
+# uid/guid that cloned the pleroma-docker repo.
+# This way modding pleroma becomes a lot easier.
+DOCKER_UID=1000
+DOCKER_GID=1000
+
+# The git repo where pleroma's sources are located.
+# This will be used at build-time and to resolve PLEROMA_VERSION via "git ls-remote".
+# The latter involves one connection per "pleroma.sh build" execution, even if a rebuild does not occur.
+#
+# You might want to change this if you're working on a fork,
+# or if you do not trust the admins of pleroma's Gitlab instance.
+#
+PLEROMA_GIT_REPO=https://git.pleroma.social/pleroma/pleroma.git

.gitignore

@@ -1,10 +1,10 @@
-data
-.env
-config.yml
+data/
+cache/
 custom.d/
 !custom.d/.gitkeep
-docker-compose.yml
 config.exs
+secret.exs
+.env
 
 # Created by https://www.gitignore.io/api/osx,linux,windows
 

Dockerfile

@@ -10,7 +10,8 @@ RUN \
 # Set up environment
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
-ENV MIX_ENV=prod
+ARG MIX_ENV
+ENV MIX_ENV=$MIX_ENV
 
 # Prepare mounts
 VOLUME /custom.d
@@ -22,12 +23,14 @@ EXPOSE 4000
 RUN \
     apk add --no-cache --virtual .tools \
         git curl rsync postgresql-client \
-    \
-    && apk add --no-cache --virtual .sdk \
+    && \
+    apk add --no-cache --virtual .sdk \
         build-base \
-    \
-    && apk add --no-cache --virtual .runtime \
-        imagemagick erlang erlang-runtime-tools erlang-xmerl erlang-ssl erlang-eldap elixir
+    && \
+    apk add --no-cache --virtual .runtime \
+        imagemagick \
+        elixir erlang erlang-runtime-tools \
+        erlang-xmerl erlang-ssl erlang-ssh erlang-eldap
 
 # Add entrypoint
 COPY ./entrypoint.sh /
@@ -35,21 +38,25 @@ RUN chmod a+x /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]
 
 # Limit permissions
-ARG DOCKER_UID=1000
-ARG DOCKER_GID=1000
-ARG PLEROMA_UPLOADS_PATH=/uploads
+ARG DOCKER_UID
+ARG DOCKER_GID
 
 RUN \
-       addgroup -g ${DOCKER_GID} pleroma \
-    && adduser -S -s /bin/ash -G pleroma -u ${DOCKER_UID} pleroma \
-    && mkdir -p /custom.d $PLEROMA_UPLOADS_PATH \
-    && chown -R pleroma:pleroma /custom.d $PLEROMA_UPLOADS_PATH
+    echo "#> Pleroma user will be ${DOCKER_UID}:${DOCKER_GID}" 1>&2 && \
+    addgroup -g ${DOCKER_GID} pleroma && \
+    adduser -S -s /bin/ash -G pleroma -u ${DOCKER_UID} pleroma && \
+    mkdir -p /custom.d /uploads && \
+    chown -R pleroma:pleroma /custom.d /uploads
 
 USER pleroma
 WORKDIR /home/pleroma
 
 # Get pleroma sources
-RUN git clone --progress https://git.pleroma.social/pleroma/pleroma.git ./pleroma
+ARG PLEROMA_GIT_REPO
+RUN \
+    echo "#> Getting pleroma sources from $PLEROMA_GIT_REPO..." 1>&2 && \
+    git clone --progress $PLEROMA_GIT_REPO ./pleroma
+
 WORKDIR /home/pleroma/pleroma
 
 # Bust the build cache (if needed)
@@ -63,12 +70,12 @@ ENV __CACHE_TAG $__CACHE_TAG
 # Fetch changes, checkout
 ARG PLEROMA_VERSION
 RUN \
-       git fetch --all \
-    && git checkout $PLEROMA_VERSION \
-    && git pull --rebase --autostash
+    git fetch --all && \
+    git checkout $PLEROMA_VERSION && \
+    git pull --rebase --autostash
 
 # Precompile
 RUN \
-    cp ./config/dev.exs ./config/prod.secret.exs \
-    && BUILDTIME=1 /entrypoint.sh \
-    && rm ./config/prod.secret.exs
+    cp ./config/dev.exs ./config/prod.secret.exs && \
+    BUILDTIME=1 /entrypoint.sh && \
+    rm ./config/prod.secret.exs

config.dist.exs

@@ -11,8 +11,10 @@ config :pleroma, Pleroma.Repo,
     hostname: "db",
     pool_size: 10
 
-# Listening to 0.0.0.0 is required in a container
-# Do not change this
+# Listening to 0.0.0.0 is required in a container since the IP is not known in advance
+# You should not change the options below this.
+# Instead, go change the mapping to your host ports in "docker-compose.yml"
+
 config :pleroma, Pleroma.Web.Endpoint,
     http: [
       ip: {0, 0, 0, 0},
@@ -23,6 +25,9 @@ config :pleroma, :gopher,
   ip: {0, 0, 0, 0},
   port: 9999
 
+config :esshd,
+  port: 2222
+
 # vvv Your awesome config options go here vvv
 
 ###

docker-compose.yml

@@ -0,0 +1,41 @@
+version: "3.7"
+
+services:
+  db:
+    image: postgres:10-alpine
+    init: true
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: pleroma
+      POSTGRES_USER: pleroma
+      POSTGRES_PASSWORD: pleroma
+    volumes:
+      - $DOCKER_DATADIR/db:/var/lib/postgresql/data
+      - ./initdb.sql:/docker-entrypoint-initdb.d/pleroma.sql
+
+  server:
+    build: .
+    init: true
+    restart: unless-stopped
+    links:
+      - db
+    ports: [
+      # Uncomment/Change port mappings below as needed.
+      # The left side is your host machine, the right one is the pleroma container.
+      # You can prefix the left side with an ip.
+
+      # Webserver (for reverse-proxies outside of docker)
+      # If you use a dockerized proxy (see README), you can leave this commented
+      # and use a container link instead.
+      # "127.0.0.1:4000:4000",
+
+      # SSH support
+      # "2222:2222",
+
+      # Gopher support
+      # "9999:9999",
+    ]
+    volumes:
+      - ./custom.d:/custom.d:ro
+      - ./config.exs:/home/pleroma/pleroma/config/prod.secret.exs:ro
+      - $DOCKER_DATADIR/uploads:/uploads

entrypoint.sh

@@ -3,34 +3,38 @@
 
 set -e
 
+log() {
+    echo -e "\n#> $@\n" 1>&2
+}
+
 if [ -n "$BUILDTIME" ]; then
-    echo "#> Getting rebar..."
+    log "Getting rebar..."
     mix local.rebar --force
 
-    echo "#> Getting hex..."
+    log "Getting hex..."
     mix local.hex --force
 
-    echo "#> Getting dependencies..."
+    log "Getting dependencies..."
     mix deps.get
 
-    echo "#> Precompiling..."
+    log "Precompiling..."
     mix compile
     exit 0
 fi
 
-echo "#> Applying customizations and patches.."
+log "Syncing changes and patches..."
 rsync -av /custom.d/ /home/pleroma/pleroma/
 
-echo "#> Recompiling..."
+log "Recompiling..."
 mix compile
 
-echo "#> Waiting until database is ready..."
+log "Waiting for postgres..."
 while ! pg_isready -U pleroma -d postgres://db:5432/pleroma -t 1; do
     sleep 1s
 done
 
-echo "#> Upgrading database..."
+log "Migrating database..."
 mix ecto.migrate
 
-echo "#> Liftoff!"
+log "Liftoff o/"
 exec mix phx.server

pleroma.sh

@@ -77,12 +77,14 @@ request_file_content() { # $1: source
     fi
 }
 
+builds_args=""
 load_env() {
     while read -r line; do
         if [[ "$line" == \#* ]] || [[ -z "$line" ]]; then
             continue;
         fi
 
+        builds_args="${builds_args} --build-arg ${line?}"
         export "${line?}"
     done < .env
 }
@@ -98,7 +100,7 @@ action__build() {
     if [[ -z "$cacheTag" ]] && has_command git && has_command grep && has_command awk; then
         set +o pipefail
         local resolvedHash
-        resolvedHash="$(git ls-remote $GITLAB_URI/$ENDPOINT_REPO | grep "/$PLEROMA_VERSION" | awk '{ print $1 }')"
+        resolvedHash="$(git ls-remote $PLEROMA_GIT_REPO | grep "/$PLEROMA_VERSION" | awk '{ print $1 }')"
         set -o pipefail
 
         if [[ -n "$resolvedHash" ]]; then
@@ -169,7 +171,11 @@ action__build() {
     echo -e "#> (Re-)Building pleroma @$PLEROMA_VERSION with cache tag \`${cacheTag}\`...\n"
     sleep 1
 
-    docker_compose build --build-arg __VIA_SCRIPT=1 --build-arg __CACHE_TAG="$cacheTag" --build-arg PLEROMA_VERSION="$PLEROMA_VERSION" server
+    docker_compose build \
+        $builds_args \
+        --build-arg __VIA_SCRIPT=1 \
+        --build-arg __CACHE_TAG="$cacheTag" \
+        server
 }
 
 action__enter() {