fix: Dockerfile

.env → .env.example

@@ -1,2 +1,4 @@
+
 DRILL_VERSION=1.16.0
+PARQUET_DATA_DIR=
 

.gitignore

@@ -2,3 +2,4 @@ data/*
 *.parquet
 *.jar
 *.csv
+.env

README.md

@@ -42,11 +42,11 @@ Server: Docker Engine - Community
 
 The docker image contains the following files:
 
-* The `docker-compose.yml` file includes the description of how to build and configure the container that will run Apache Drill.
-* The `.env` file contains the parameter `DRILL_VERSION` that determines which version of Apache Drill is being built and run. Currently, the `DRILL_VERSION` is set to `1.16.0`. If you need to change this, adapt the `.env` file.
+* The `docker-compose.yml` file includes the description of how to build and configure the container that will run Apache Drill. The local data folder is parameterizable through the `PARQUET_DATA_DIR` environment variable, which is mounted as `/data` inside the container.
+* The `.env` file contains the parameter `DRILL_VERSION` that determines which version of Apache Drill is being built and run. Currently, the `DRILL_VERSION` is set to `1.16.0`. It also contains the parameter `PARQUET_DATA_DIR`, which points to the local folder with the data files (e.g., parquet files) that will be mounted as `/data` inside the container. If you need to change either, adapt the `.env` file.
 * The `/build/Dockerfile` contains the build descriptions for the container.
 * The `run_drill.sh` contains the startup script for Apache Drill. 
-* The `.gitignore` prevents that any file in the data folder or any parquet/csv files will be added to the repository.
+* The `.gitignore` prevents that any file in the data folder or any parquet/csv/jar files will be added to the repository.
 
 ## Get the docker image
 
@@ -63,7 +63,7 @@ git version 2.20.1 (Apple Git-117)
 
 2. Check out the repo into a directory of your choice:
 ```
-git clone https://github.com/mschermann/docker_apache_drill_datagrip.git
+git clone git@github.com:multialejo/drill_datagrip.git
 ```
 
 ## Build and start the container
@@ -92,7 +92,7 @@ services:
     restart: on-failure
     tty: true
     volumes:
-    - /<YOUR PATH>/data:/data:rw
+    - /home/ariel/Escritorio/sri-scrapper/.staging:/data:rw
 ```
 
 2. Build the container
@@ -103,7 +103,7 @@ docker-compose build
 You should see that docker starts to build the container. This will take a while depending on your internet speed and machine configuration.
 ```
 Building drill
-Step 1/13 : FROM centos:latest
+Step 1/14 : FROM centos:7
 ...
 ```
 
@@ -130,19 +130,19 @@ Stopping e382a3c16e10_drill ... done
 
 Drill is starting a web GUI at [http://localhost:8047](http://localhost:8047).
 
-![Drill Overview](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/drill_overview.png)
+![Drill Overview](assets/drill_overview.png)
 
 If you click on `Query`, you can run SQL queries directly from the browser (Do not use this for any heavy-load querying). 
 
-![Drill Overview Query](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/drill_overview_query.png)
+![Drill Overview Query](assets/drill_overview_query.png)
 
 Make sure that everything works fine by entering the example query `SELECT * FROM cp.`employee.json` LIMIT 20`.
 
-![Drill Example Query](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/drill_query_example.png)
+![Drill Example Query](assets/drill_query_example.png)
 
 It will show you a waiting screen and, if everything works fine, the results.
 
-![Drill Example Query Results](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/drill_query_example_results.png)
+![Drill Example Query Results](assets/drill_query_example_results.png)
 
 Now, head over to the [Drill Documentation](https://drill.apache.org/docs/query-data/) and start learning how to use Drill.
 
@@ -151,17 +151,17 @@ Let's connect [Data Grip](http://www.jetbrains.com/datagrip) to the Drill contai
 
 1. Create a new Driver in Data Grip by pointing towards the JDBC driver for Apache Drill in the `/build` folder.
 
-![Data Grip Driver](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/data_grip_drill_driver.png)
+![Data Grip Driver](assets/data_grip_drill_driver.png)
 
 2. Create a data source using the Drill driver. Test the connection and make sure you get the green checkmark.
 
-![Data Grip Datasource](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/data_grip_drill_connection.png)
+![Data Grip Datasource](assets/data_grip_drill_connection.png)
 
 3. Run a Sample Query
 
 Using the same query as above (`SELECT * FROM cp.`employee.json` LIMIT 20`), you should see the following output.
 
-![Data Grip Sample Query](https://github.com/mschermann/docker_apache_drill_datagrip/blob/master/assets/data_grip_sample_query.png)
+![Data Grip Sample Query](assets/data_grip_sample_query.png)
 
 At this point, you are all set. Add your data files to the `/data` folder, and you should be able to query them.
 

build/Dockerfile

@@ -1,7 +1,10 @@
 # THis is the build file for Apache Drill
 # Adapted from https://github.com/apache/drill/blob/master/distribution/Dockerfile
 
-FROM centos:latest
+FROM centos:7
+
+# Point yum to the CentOS Vault since the mirror.centos.org servers are offline (EOL).
+RUN sed -i 's/^mirrorlist=/#mirrorlist=/g; s|^#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*.repo
 
 # Make sure that everything is up to date.
 RUN yum -y upgrade
@@ -19,8 +22,8 @@ RUN rm -rf /var/cache/yum
 # Make the current version of drill available
 ARG DRILL_VERSION
 
-# Get drill
-RUN wget http://apache.mirrors.hoobly.com/drill/drill-$DRILL_VERSION/apache-drill-$DRILL_VERSION.tar.gz
+# Get drill (the old mirror is dead, use the Apache archive)
+RUN wget https://archive.apache.org/dist/drill/drill-$DRILL_VERSION/apache-drill-$DRILL_VERSION.tar.gz
 
 # Create the install directory for drill
 RUN mkdir /opt/drill

docker-compose.yml

@@ -1,7 +1,5 @@
-version: '3'
-
 services:
-  drill: 
+  drill:
     build:
       # We build the file from the current folder
       context: ./build
@@ -21,7 +19,7 @@ services:
       # Expose the build directory to get the JDBC driver
       - ./build:/drill
       # The data directory for the data files.
-      - ./data:/data
+      - ${PARQUET_DATA_DIR}:/data
     # This is the script that is executed when the container is started.
     command: ./run_drill.sh
     # We make the standard drill ports available