Defnull/electric dockerfile

.github/workflows/ci.yml

@@ -16,6 +16,8 @@ jobs:
         with:
           args: make compile
 
+      - run: make docker-build
+
       - run: make -C demo test
 
       - run: make start_dev_env

Dockerfile

@@ -0,0 +1,47 @@
+ARG ELIXIR_VERSION=1.13.4
+ARG OTP_VERSION=24.3
+ARG DEBIAN_VERSION=bullseye-20210902-slim
+
+ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
+ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
+
+FROM ${BUILDER_IMAGE} AS builder
+LABEL maintainer="dev@vaxine.io"
+
+RUN apt-get update -y && \
+    apt-get install -y build-essential git curl && \
+    apt-get clean && \
+    rm -f /var/lib/apt/lists/*_*
+
+WORKDIR /app
+COPY config /app/
+COPY lib    /app/
+COPY mix.*  /app/
+COPY Makefile /app/
+
+RUN make compile release
+
+FROM ${RUNNER_IMAGE} AS runner_setup
+
+RUN apt-get update -y && \
+    apt-get install -y libstdc++6 openssl libncurses5 locales && \
+    apt-get clean && \
+    rm -f /var/lib/apt/lists/*_*
+
+# Set the locale
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+WORKDIR "/app"
+RUN chown nobody /app
+
+FROM runner_setup AS runner
+
+## Vaxine configuration via environment variables
+COPY --from=builder --chown=nobody:root /app/_build/prod/rel/electric ./
+
+USER nobody
+ENTRYPOINT /app/bin/electric start

Makefile

@@ -6,6 +6,9 @@ compile:
 	mix deps.get
 	mix compile
 
+release:
+	MIX_ENV="prod" mix release
+
 tests:
 	mix test
 
@@ -19,3 +22,11 @@ start_dev_env:
 
 stop_dev_env:
 	docker-compose -f ${DC_CONFIG} down
+
+docker-build:
+	docker build -t electric:local-build .
+
+docker-clean:
+ifneq ($(docker images -q electric:local-build 2> /dev/null), "")
+	docker image rm -f electric:local-build
+endif

demo/Makefile

@@ -27,3 +27,7 @@ vaxine:
 
 clean:
 	rm -rf lux
+	rm -rf vaxine .pull
+
+docker-attach-%:
+	docker-compose exec $* bash

demo/compose.yaml

@@ -2,7 +2,7 @@
 version: '3.1'
 
 services:
-  electric_vaxine:
+  vaxine:
 #    image: vaxine:local-build
 #    restart: always
     environment:
@@ -24,6 +24,17 @@ services:
       context: ./vaxine
       dockerfile: Dockerfile.vaxine
 
+  electric:
+    privileged: true
+    volumes:
+      - ./electric.exs:/app/releases/0.1.0/runtime.exs:ro
+    depends_on:
+      - db_a
+      - db_b
+    build:
+      context: ../
+      dockerfile: Dockerfile
+
   db_a:
     image: postgres:13
 #    restart: always
@@ -41,6 +52,8 @@ services:
       - -c
       - config_file=/etc/postgresql.conf
     privileged: true
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U electric"]
 
   db_b:
     image: postgres:13
@@ -59,3 +72,5 @@ services:
       - -c
       - config_file=/etc/postgresql.conf
     privileged: true
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U electric"]

demo/electric.exs

@@ -0,0 +1,19 @@
+import Config
+
+config :electric, Electric.Replication,
+  producer: Broadway.DummyProducer,
+  pg_client: Electric.Replication.MockPostgresClient
+
+config :electric, Electric.PostgresRepo,
+  hostname: "db_a",
+  port: 5432,
+  database: "electric",
+  username: "electric",
+  password: "password"
+
+config :electric, Electric.PostgresRepo2,
+  hostname: "db_b",
+  port: 5432,
+  database: "electric",
+  username: "electric",
+  password: "password"