Added docker files

.dockerignore

@@ -0,0 +1,5 @@
+_build
+deps
+apps/block_scout_web/assets/node_modules
+apps/explorer/node_modules
+test

Dockerfile

@@ -0,0 +1,38 @@
+FROM bitwalker/alpine-elixir-phoenix:latest
+
+RUN apk --no-cache --update add automake libtool inotify-tools autoconf
+
+EXPOSE 4000
+
+ENV PORT=4000 \
+    MIX_ENV="prod" \
+    ETHEREUM_JSONRPC_VARIANT="ganache" \
+    ETHEREUM_JSONRPC_HTTP_URL="http://host.docker.internal:7545" \
+    ETHEREUM_JSONRPC_WEB_SOCKET_URL="ws://host.docker.internal:7545" \
+    POSTGRES_URL="host.docker.internal" \
+    DATABASE_URL="postgresql://postgres:@host.docker.internal:5432/explorer?ssl=false" \
+    SECRET_KEY_BASE="RMgI4C1HSkxsEjdhtGMfwAHfyT6CKWXOgzCboJflfSm4jeAlic52io05KB6mqzc5"
+
+# Cache elixir deps
+ADD mix.exs mix.lock ./
+ADD apps/block_scout_web/mix.exs ./apps/block_scout_web/
+ADD apps/explorer/mix.exs ./apps/explorer/
+ADD apps/ethereum_jsonrpc/mix.exs ./apps/ethereum_jsonrpc/
+ADD apps/indexer/mix.exs ./apps/indexer/
+
+RUN mix do deps.get, deps.compile
+
+ADD . .
+
+# Run forderground build and phoenix digest
+RUN mix do compile, phx.digest
+
+# Add blockscout npm deps
+RUN cd apps/block_scout_web/assets/ && npm install && npm run deploy && cd -
+RUN cd apps/explorer/ && npm install && cd -
+
+RUN mix do ecto.drop --force, ecto.create, ecto.migrate
+
+# USER default
+
+CMD ["mix", "phx.server"]

apps/explorer/config/dev.exs

@@ -4,7 +4,7 @@ use Mix.Config
 config :explorer, Explorer.Repo,
   adapter: Ecto.Adapters.Postgres,
   database: "explorer_dev",
-  hostname: "localhost",
+  hostname: System.get_env("POSTGRES_URL") || "localhost",
   pool_size: 20,
   pool_timeout: 60_000,
   timeout: 80_000
@@ -17,7 +17,7 @@ import_config "dev.secret.exs"
 
 variant =
   if is_nil(System.get_env("ETHEREUM_JSONRPC_VARIANT")) do
-    "parity"
+    "ganache"
   else
     System.get_env("ETHEREUM_JSONRPC_VARIANT")
     |> String.split(".")

apps/indexer/config/dev.exs

@@ -11,7 +11,7 @@ config :logger, :indexer_token_balances,
 
 variant =
   if is_nil(System.get_env("ETHEREUM_JSONRPC_VARIANT")) do
-    "parity"
+    "ganache"
   else
     System.get_env("ETHEREUM_JSONRPC_VARIANT")
     |> String.split(".")